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{"repo": "noaa-oar-arl/monet", "pull_number": 22, "instance_id": "noaa-oar-arl__monet-22", "issue_numbers": "", "base_commit": "122196d3691f4ee40491739adae1f5a4ba764b62", "patch": "diff --git a/docs/conf.py b/docs/conf.py\nnew file mode 100644\n--- /dev/null\n+++ b/docs/conf.py\n@@ -0,0 +1,178 @@\n+# -*- coding: utf-8 -*-\n+#\n+# Configuration file for the Sphinx documentation builder.\n+#\n+# This file does only contain a selection of the most common options. For a\n+# full list see the documentation:\n+# http://www.sphinx-doc.org/en/master/config\n+\n+# -- Path setup --------------------------------------------------------------\n+\n+# If extensions (or modules to document with autodoc) are in another directory,\n+# add these directories to sys.path here. If the directory is relative to the\n+# documentation root, use os.path.abspath to make it absolute, like shown here.\n+#\n+import os\n+import sys\n+sys.path.insert(0, os.path.abspath('../'))\n+\n+# -- Project information -----------------------------------------------------\n+\n+project = u'MONET'\n+copyright = u'2018, Barry Baker'\n+author = u'Barry Baker'\n+\n+# The short X.Y version\n+version = u''\n+# The full version, including alpha/beta/rc tags\n+release = u''\n+\n+# -- General configuration ---------------------------------------------------\n+\n+# If your documentation needs a minimal Sphinx version, state it here.\n+#\n+# needs_sphinx = '1.0'\n+\n+# Add any Sphinx extension module names here, as strings. They can be\n+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom\n+# ones.\n+extensions = [\n+    'sphinx.ext.autodoc', 'sphinx.ext.autosummary', 'sphinx.ext.napoleon',\n+    'sphinx.ext.extlinks'\n+]\n+#exclude_patterns = ['_build', '**.ipynb_checkpoints']\n+\n+extlinks = {\n+    'issue': ('https://github.com/noaa-oar-arl/MONET/issues/%s', 'GH'),\n+    'pull': ('https://github.com/noaa-oar-arl/MONET/pull/%s', 'PR'),\n+}\n+\n+autosummary_generate = True\n+numpydoc_class_members_toctree = True\n+napoleon_google_docstring = False\n+napoleon_use_param = False\n+napoleon_use_ivar = True\n+\n+# Add any paths that contain templates here, relative to this directory.\n+templates_path = ['_templates']\n+\n+# The suffix(es) of source filenames.\n+# You can specify multiple suffix as a list of string:\n+#\n+# source_suffix = ['.rst', '.md']\n+source_suffix = '.rst'\n+\n+# The master toctree document.\n+master_doc = 'index'\n+\n+# The language for content autogenerated by Sphinx. Refer to documentation\n+# for a list of supported languages.\n+#\n+# This is also used if you do content translation via gettext catalogs.\n+# Usually you set \"language\" from the command line for these cases.\n+language = None\n+\n+# List of patterns, relative to source directory, that match files and\n+# directories to ignore when looking for source files.\n+# This pattern also affects html_static_path and html_extra_path .\n+exclude_patterns = [u'_build', 'Thumbs.db', '.DS_Store']\n+\n+# The name of the Pygments (syntax highlighting) style to use.\n+pygments_style = 'sphinx'\n+\n+# -- Options for HTML output -------------------------------------------------\n+\n+# The theme to use for HTML and HTML Help pages.  See the documentation for\n+# a list of builtin themes.\n+#\n+html_theme = 'sphinx_rtd_theme'\n+\n+# Theme options are theme-specific and customize the look and feel of a theme\n+# further.  For a list of options available for each theme, see the\n+# documentation.\n+#\n+# html_theme_options = {}\n+\n+# Add any paths that contain custom static files (such as style sheets) here,\n+# relative to this directory. They are copied after the builtin static files,\n+# so a file named \"default.css\" will overwrite the builtin \"default.css\".\n+html_static_path = ['_static']\n+\n+# Custom sidebar templates, must be a dictionary that maps document names\n+# to template names.\n+#\n+# The default sidebars (for documents that don't match any pattern) are\n+# defined by theme itself.  Builtin themes are using these templates by\n+# default: ``['localtoc.html', 'relations.html', 'sourcelink.html',\n+# 'searchbox.html']``.\n+#\n+# html_sidebars = {}\n+\n+# -- Options for HTMLHelp output ---------------------------------------------\n+\n+# Output file base name for HTML help builder.\n+htmlhelp_basename = 'MONETdoc'\n+\n+html_theme_options = {\n+    'logo_only': True,\n+}\n+\n+# Add any paths that contain custom themes here, relative to this directory.\n+#html_theme_path = []\n+\n+# The name for this set of Sphinx documents.  If None, it defaults to\n+# \"<project> v<release> documentation\".\n+#html_title = None\n+\n+# A shorter title for the navigation bar.  Default is the same as html_title.\n+#html_short_title = None\n+\n+# The name of an image file (relative to this directory) to place at the top\n+# of the sidebar.\n+html_logo = \"_static/noaa.png\"\n+\n+# -- Options for LaTeX output ------------------------------------------------\n+\n+latex_elements = {\n+    # The paper size ('letterpaper' or 'a4paper').\n+    #\n+    # 'papersize': 'letterpaper',\n+\n+    # The font size ('10pt', '11pt' or '12pt').\n+    #\n+    # 'pointsize': '10pt',\n+\n+    # Additional stuff for the LaTeX preamble.\n+    #\n+    # 'preamble': '',\n+\n+    # Latex figure (float) alignment\n+    #\n+    # 'figure_align': 'htbp',\n+}\n+\n+# Grouping the document tree into LaTeX files. List of tuples\n+# (source start file, target name, title,\n+#  author, documentclass [howto, manual, or own class]).\n+latex_documents = [\n+    (master_doc, 'MONET.tex', u'MONET Documentation', u'Barry Baker',\n+     'manual'),\n+]\n+\n+# -- Options for manual page output ------------------------------------------\n+\n+# One entry per manual page. List of tuples\n+# (source start file, name, description, authors, manual section).\n+man_pages = [(master_doc, 'monet', u'MONET Documentation', [author], 1)]\n+\n+# -- Options for Texinfo output ----------------------------------------------\n+\n+# Grouping the document tree into Texinfo files. List of tuples\n+# (source start file, target name, title, author,\n+#  dir menu entry, description, category)\n+texinfo_documents = [\n+    (master_doc, 'MONET', u'MONET Documentation', author, 'MONET',\n+     'One line description of project.', 'Miscellaneous'),\n+]\n+\n+# -- Extension configuration -------------------------------------------------\ndiff --git a/monet/__init__.py b/monet/__init__.py\n--- a/monet/__init__.py\n+++ b/monet/__init__.py\n@@ -1,9 +1,6 @@\n from __future__ import absolute_import, print_function\n-\n from . import models, obs, plots, util, verification\n-from .monet import MONET\n-\n-# from monet.models import camx, cmaq\n+from . import monet_accessor\n \n # from .monetmodels, obs, plots, util\n-__all__ = ['models', 'obs', 'plots', 'verification', 'util']\n+__all__ = ['models', 'obs', 'plots', 'verification', 'util', 'monet_accessor']\ndiff --git a/monet/grids.py b/monet/grids.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/grids.py\n@@ -0,0 +1,210 @@\n+\"\"\" This is a module that will derive the proj4 string and\n+    pyesample.geometry.AreaDefinition for any gridded dataset (satellite,\n+    models, etc....)\n+\n+    \"\"\"\n+import os\n+path = os.path.abspath(__file__)\n+\n+\n+def _geos_16_grid(dset):\n+    from pyresample import geometry\n+    from numpy import asarray\n+    projection = dset.goes_imager_projection\n+    h = projection.perspective_point_height\n+    a = projection.semi_major_axis\n+    b = projection.semi_minor_axis\n+    lon_0 = projection.longitude_of_projection_origin\n+    sweep = projection.sweep_angle_axis\n+    x = dset.x * h\n+    y = dset.y * h\n+    x_ll = x[0]  # lower left corner\n+    x_ur = x[-1]  # upper right corner\n+    y_ll = y[0]  # lower left corner\n+    y_ur = y[-1]  # upper right corner\n+    x_h = (x_ur - x_ll) / (len(x) - 1.) / 2.  # 1/2 grid size\n+    y_h = (y_ur - y_ll) / (len(y) - 1.) / 2.  # 1/2 grid size\n+    area_extent = (x_ll - x_h, y_ll - y_h, x_ur + x_h, y_ur + y_h)\n+\n+    proj_dict = {\n+        'a': float(a),\n+        'b': float(b),\n+        'lon_0': float(lon_0),\n+        'h': float(h),\n+        'proj': 'geos',\n+        'units': 'm',\n+        'sweep': sweep\n+    }\n+\n+    area = geometry.AreaDefinition('GEOS_ABI', 'ABI', 'GOES_ABI', proj_dict,\n+                                   len(x), len(y), asarray(area_extent))\n+    return area\n+\n+\n+def _get_sinu_grid_df():\n+    from pandas import read_csv\n+    \"\"\"This function finds the modis grid tiles found within\n+        the defined grid.\n+        input:\n+        lon = gridded longitude - numpy array\n+        lat = gridded latitude - numpy array\n+        output:\n+        pandas dataframe of tiles\n+        \"\"\"\n+    f = path[:-8] + 'data/sn_bound_10deg.txt'\n+    td = read_csv(f, skiprows=4, delim_whitespace=True)\n+    td = td.assign(ihiv='h' + td.ih.astype(str).str.zfill(2) + 'v' +\n+                   td.iv.astype(str).str.zfill(2))\n+    return td\n+\n+\n+def _sinu_grid_latlon_boundary(h, v):\n+    td = _get_sinu_grid_df()\n+    o = td.loc[(td.ih == int(h)) & (td.iv == int(v))]\n+    latmin = o.lat_min.iloc[0]\n+    lonmin = o.lon_min.iloc[0]\n+    latmax = o.lat_max.iloc[0]\n+    lonmax = o.lon_max.iloc[0]\n+    return lonmin, latmin, lonmax, latmax\n+\n+\n+def _get_sinu_xy(lon, lat):\n+    from pyproj import Proj\n+    sinu = Proj(\n+        '+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m'\n+    )\n+    return sinu(lon, lat)\n+\n+\n+def _get_sinu_latlon(x, y):\n+    from numpy import meshgrid\n+    from pyproj import Proj\n+    xv, yv = meshgrid(x, y)\n+    sinu = Proj(\n+        '+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 +b=6371007.181 +units=m, +R=6371007.181'\n+    )\n+    return sinu(xv, yv, inverse=True)\n+\n+\n+def get_sinu_area_extent(lonmin, latmin, lonmax, latmax):\n+    xmin, ymin = _get_sinu_xy(lonmin, latmin)\n+    xmax, ymax = _get_sinu_xy(lonmax, latmax)\n+    return (xmin, ymin, xmax, ymax)\n+\n+\n+def get_modis_latlon_from_swath_hv(h, v, dset):\n+    from numpy import linspace\n+    lonmin, latmin, lonmax, latmax = _sinu_grid_latlon_boundary(h, v)\n+    xmin, ymin = _get_sinu_xy(lonmin, latmin)\n+    xmax, ymax = _get_sinu_xy(lonmax, latmax)\n+    x = linspace(xmin, xmax, len(dset.x))\n+    y = linspace(ymin, ymax, len(dset.y))\n+    lon, lat = _get_sinu_latlon(x, y)\n+    dset.coords['longitude'] = (('x', 'y'), lon)\n+    dset.coords['latitude'] = (('x', 'y'), lat)\n+    dset.attrs['area_extent'] = (x.min(), y.min(), x.max(), y.max())\n+    dset.attrs[\n+        'proj4_srs'] = '+proj=sinu +lon_0=0 +x_0=0 +y_0=0 +a=6371007.181 ' \\\n+        '+b=6371007.181 +units=m'\n+    return dset\n+\n+\n+def get_sinu_area_def(dset):\n+    from pyresample import utils\n+    from pyproj import Proj\n+    p = Proj(dset.attrs['proj4_srs'])\n+    proj4_args = p.srs\n+    area_name = 'MODIS Grid Def'\n+    area_id = 'modis'\n+    proj_id = area_id\n+    area_extent = dset.attrs['area_extent']\n+    nx, ny = dset.longitude.shape\n+    return utils.get_area_def(area_id, area_name, proj_id, proj4_args, nx, ny,\n+                              area_extent)\n+\n+\n+def get_ioapi_pyresample_area_def(ds, proj4_srs):\n+    from pyresample import geometry, utils\n+    y_size = ds.NROWS\n+    x_size = ds.NCOLS\n+    projection = utils.proj4_str_to_dict(proj4_srs)\n+    proj_id = 'IOAPI_Dataset'\n+    description = 'IOAPI area_def for pyresample'\n+    area_id = 'MONET_Object_Grid'\n+    x_ll, y_ll = ds.XORIG + ds.XCELL * .5, ds.YORIG + ds.YCELL * .5\n+    x_ur, y_ur = ds.XORIG + (ds.NCOLS * ds.XCELL) + .5 * ds.XCELL, ds.YORIG + (\n+        ds.YCELL * ds.NROWS) + .5 * ds.YCELL\n+    area_extent = (x_ll, y_ll, x_ur, y_ur)\n+    area_def = geometry.AreaDefinition(area_id, description, proj_id,\n+                                       projection, x_size, y_size, area_extent)\n+    return area_def\n+\n+\n+def _ioapi_grid_from_dataset(ds, earth_radius=6370000):\n+    \"\"\"Get the IOAPI projection out of the file into proj4.\"\"\"\n+\n+    pargs = dict()\n+    pargs['lat_1'] = ds.P_ALP\n+    pargs['lat_2'] = ds.P_BET\n+    pargs['lat_0'] = ds.YCENT\n+    pargs['lon_0'] = ds.P_GAM\n+    pargs['center_lon'] = ds.XCENT\n+    pargs['x0'] = ds.XORIG\n+    pargs['y0'] = ds.YORIG\n+    pargs['r'] = earth_radius\n+    proj_id = ds.GDTYP\n+    if proj_id == 2:\n+        # Lambert\n+        p4 = '+proj=lcc +lat_1={lat_1} +lat_2={lat_2} ' \\\n+             '+lat_0={lat_0} +lon_0={lon_0} ' \\\n+             '+x_0=0 +y_0=0 +datum=WGS84 +units=m +a={r} +b={r}'\n+        p4 = p4.format(**pargs)\n+    elif proj_id == 4:\n+        # Polar stereo\n+        p4 = '+proj=stere +lat_ts={lat_1} +lon_0={lon_0} +lat_0=90.0' \\\n+             '+x_0=0 +y_0=0 +a={r} +b={r}'\n+        p4 = p4.format(**pargs)\n+    elif proj_id == 3:\n+        # Mercator\n+        p4 = '+proj=merc +lat_ts={lat_1} ' \\\n+             '+lon_0={center_lon} ' \\\n+             '+x_0={x0} +y_0={y0} +a={r} +b={r}'\n+        p4 = p4.format(**pargs)\n+    else:\n+        raise NotImplementedError('IOAPI proj not implemented yet: '\n+                                  '{}'.format(proj_id))\n+    #area_def = _get_ioapi_pyresample_area_def(ds)\n+    return p4  # , area_def\n+\n+\n+def _hysplit_latlon_grid_from_dataset(ds):\n+    pargs = dict()\n+    pargs['lat_0'] = ds.latitude.mean()\n+    pargs['lon_0'] = ds.longitude.mean()\n+\n+    p4 = '+proj=eqc +lat_ts={lat_0} +lat_0={lat_0} +lon_0={lon_0} ' \\\n+        '+ellps=WGS84 +datum=WGS84 +units=m +no_defs'.format(pargs)\n+    return p4\n+\n+\n+def get_hysplit_latlon_pyreample_area_def(ds, proj4_srs):\n+    from pyresample import geometry\n+    return geometry.SwathDefinition(\n+        lons=ds.longitude.values, lats=ds.latitude.values)\n+\n+\n+def grid_from_dataset(ds, earth_radius=6370000):\n+    \"\"\"Find out if the dataset contains enough info for Salem to understand.\n+\n+    ``ds`` can be an xarray dataset\n+\n+    Returns a :py:string:`proj4_string` if successful, ``None`` otherwise\n+    \"\"\"\n+    # maybe its an IOAPI file\n+    if hasattr(ds, 'IOAPI_VERSION') or hasattr(ds, 'P_ALP'):\n+        # IOAPI_VERSION\n+        return _ioapi_grid_from_dataset(ds, earth_radius=earth_radius)\n+\n+    # Try out platte carree\n+\n+    # return _lonlat_grid_from_dataset(ds)\ndiff --git a/monet/models/__init__.py b/monet/models/__init__.py\n--- a/monet/models/__init__.py\n+++ b/monet/models/__init__.py\n@@ -1,9 +1,5 @@\n-from __future__ import absolute_import, print_function\n+from . import cmaq, hysplit, camx\n \n-from . import camx, cmaq\n+__all__ = ['cmaq', 'hysplit', 'camx']\n \n-__all__ = ['camx', 'cmaq']\n-\n-__name__ = 'models'\n-\n-#\n+__name__ = 'models'\n\\ No newline at end of file\ndiff --git a/monet/models/camx.py b/monet/models/camx.py\n--- a/monet/models/camx.py\n+++ b/monet/models/camx.py\n@@ -1,179 +1,311 @@\n-from __future__ import division, print_function\n+\"\"\" CAMx File Reader \"\"\"\n+from numpy import array, concatenate\n+from pandas import Series, to_datetime\n+import xarray as xr\n+from ..grids import grid_from_dataset, get_ioapi_pyresample_area_def\n \n-from builtins import object, zip\n \n-import pandas as pd\n-import xarray as xr\n-from dask.diagnostics import ProgressBar\n-from numpy import array\n-from past.utils import old_div\n-\n-# This file is to deal with CAMx code - try to make it general for CAMx 4.7.1 --> 5.1\n-\n-\n-ProgressBar().register()\n-\n-\n-class CAMx(object):\n-    def __init__(self):\n-        self.objtype = 'CAMX'\n-        self.coarse = array(\n-            ['NA', 'PSO4', 'PNO3', 'PNH4', 'PH2O', 'PCL', 'PEC', 'FPRM', 'FCRS', 'CPRM', 'CCRS', 'SOA1', 'SOA2', 'SOA3',\n-             'SOA4'])\n-        self.fine = array(\n-            ['NA', 'PSO4', 'PNO3', 'PNH4', 'PH2O', 'PCL', 'PEC', 'FPRM', 'FCRS', 'SOA1', 'SOA2', 'SOA3',\n-             'SOA4'])\n-        self.noy_gas = array(\n-            ['NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA', 'NTR', 'CRON', 'CRN2', 'CRNO',\n-             'CRPX', 'OPAN'])\n-        self.poc = array(['SOA1', 'SOA2', 'SOA3', 'SOA4'])\n-        self.dset = None\n-        self.grid = None  # gridcro2d obj\n-        self.fname = None\n-        self.metcrofnames = None\n-        self.aerofnames = None\n-        self.dates = None\n-        self.keys = None\n-        self.indexdates = None\n-        self.metindex = None\n-        self.latitude = None\n-        self.longitude = None\n-        self.map = None\n-\n-    def get_dates(self):\n-        print('Reading CAMx dates...')\n-        print(self.dset)\n-        tflag1 = array(self.dset['TFLAG'][:, 0], dtype='|S7')\n-        tflag2 = array(old_div(self.dset['TFLAG'][:, 1], 10000), dtype='|S6')\n-        date = pd.to_datetime([i + j.zfill(2) for i, j in zip(tflag1, tflag2)], format='%Y%j%H')\n-        indexdates = pd.Series(date).drop_duplicates(keep='last').index.values\n-        self.dset = self.dset.isel(time=indexdates)\n-        self.dset['time'] = date[indexdates]\n-\n-    def open_camx(self, file):\n-        from glob import glob\n-        from numpy import sort\n-        dropset = ['layer', 'longitude_bounds', 'latitude_bounds',\n-                   'x', 'y', 'level', 'lambert_conformal_conic']\n-        nameset = {'COL': 'x', 'ROW': 'y', 'TSTEP': 'time', 'LAY': 'z'}\n-        if type(file) == str:\n-            fname = sort(array(glob(file)))\n-        else:\n-            fname = sort(array(file))\n-        if fname.shape[0] >= 1:\n-            if self.dset is None:\n-                self.dset = xr.open_mfdataset(\n-                    fname.tolist(), concat_dim='TSTEP', engine='pnc').drop(dropset).rename(nameset).squeeze()\n-                self.load_conus_basemap(res='l')\n-                self.get_dates()\n-            else:\n-                dset = xr.open_mfdataset(fname.tolist(), concat_dim='TSTEP',\n-                                         engine='pnc').drop(dropset).rename(nameset).squeeze()\n-                self.dset = xr.merge([self.dset, dset])\n-        else:\n-            print('Files not found')\n-        self.keys = list(self.dset.keys())\n-\n-    def check_z(self, varname):\n-        if pd.Series(self.dset[varname].dims).isin('z').max():\n-            return True\n-        else:\n-            return False\n-\n-    def get_nox(self, lay=None):\n-        if self.check_z('NO'):\n-            if lay is not None:\n-                var = self.dset['NO'][:, 0, :, :].squeeze().copy()\n-                var += self.dset['NO2'][:, 0, :, :].squeeze().copy()\n-            else:\n-                var = self.dset['NO'][:, :, :, :].copy()\n-                var += self.dset['NO2'][:, :, :, :].copy()\n-        else:\n-            var = self.dset['NO'][:, :, :].copy()\n-            var += self.dset['NO2'][:, :, :].copy()\n-        return var\n-\n-    def get_pm25(self, lay=None):\n-        keys = list(self.dset.keys())\n-        allvars = self.fine\n-        index = pd.Series(allvars).isin(keys)\n-        newkeys = allvars[index]\n-        if self.check_z(newkeys[0]):\n-            if lay is not None:\n-                var = self.dset[newkeys[0]][:, 0, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, 0, :, :].squeeze()\n-            else:\n-                var = self.dset[newkeys[0]][:, :, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, :, :, :].squeeze()\n-        else:\n-            var = self.dset[newkeys[0]][:, :, :].copy()\n-            for i in newkeys[1:]:\n-                var += self.dset[i][:, :, :].squeeze()\n-        return var\n-\n-    def get_pm10(self, lay=None):\n-        keys = list(self.dset.keys())\n-        allvars = self.coarse\n-        index = pd.Series(allvars).isin(keys)\n-        newkeys = allvars[index]\n-        if self.check_z(newkeys[0]):\n-            if lay is not None:\n-                var = self.dset[newkeys[0]][:, 0, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, 0, :, :].squeeze()\n-            else:\n-                var = self.dset[newkeys[0]][:, :, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, :, :, :].squeeze()\n-        else:\n-            var = self.dset[newkeys[0]][:, :, :].copy()\n-            for i in newkeys[1:]:\n-                var += self.dset[i][:, :, :].squeeze()\n-        return var\n-\n-    def get_var(self, param='O3', lay=None):\n-        p = param.upper()\n-        print(param)\n-        if p == 'PM25':\n-            var = self.get_pm25(lay=lay)\n-        elif p == 'PM10':\n-            var = self.get_pm10(lay=lay)\n-        elif p == 'NOX':\n-            var = self.get_nox(lay=lay)\n-        elif p == 'OC':\n-            var = self.get_oc(lay=lay)\n-        elif p == 'VOC':\n-            if lay is not None:\n-                var = self.dset['VOC'][:, 0, :, :].copy().squeeze()\n-            else:\n-                var = self.dset['VOC'][:, :, :, :].copy().squeeze()\n-        else:\n-            if self.check_z(param):\n-                if lay is None:\n-                    var = self.dset[param][:, :, :, :].copy()\n-                else:\n-                    var = self.dset[param][:, lay, :, :].copy().squeeze()\n-            else:\n-                var = self.dset[param]\n-        return var\n-\n-    def load_conus_basemap(self, res='l'):\n-        from mpl_toolkits.basemap import Basemap\n-        if self.map is None:\n-            lat1 = self.dset.P_ALP\n-            lat2 = self.dset.P_BET\n-            lon1 = self.dset.P_GAM\n-            lon0 = self.dset.XCENT\n-            lat0 = self.dset.YCENT\n-            m = Basemap(projection='lcc', resolution=res, lat_1=lat1, lat_2=lat2, lat_0=lat0, lon_0=lon0,\n-                        lon_1=lon1,\n-                        llcrnrlat=self.dset.latitude[0, 0], urcrnrlat=self.dset.latitude[-1, -1],\n-                        llcrnrlon=self.dset.longitude[0, 0],\n-                        urcrnrlon=self.dset.longitude[-1, -1], rsphere=6371200.,\n-                        area_thresh=50.)\n-            self.map = m\n-        else:\n-            m = self.map\n-        return self.map\n+def can_do(index):\n+    if index.max():\n+        return True\n+    else:\n+        return False\n+\n+\n+def open_files(fname, earth_radius=6370000):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    fname : type\n+        Description of parameter `fname`.\n+    earth_radius : type\n+        Description of parameter `earth_radius`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    # open the dataset using xarray\n+    dset = xr.open_mfdataset(\n+        fname, engine='pseudonetcdf', backend_kwargs={'format': 'uamiv'})\n+\n+    # get the grid information\n+    grid = grid_from_dataset(dset, earth_radius=earth_radius)\n+    area_def = get_ioapi_pyresample_area_def(dset, grid)\n+    # assign attributes for dataset and all DataArrays\n+    dset = dset.assign_attrs({'proj4_srs': grid})\n+    for i in dset.variables:\n+        dset[i] = dset[i].assign_attrs({'proj4_srs': grid})\n+        for j in dset[i].attrs:\n+            dset[i].attrs[j] = dset[i].attrs[j].strip()\n+        dset[i] = dset[i].assign_attrs({'area': area_def})\n+    dset = dset.assign_attrs(area=area_def)\n+\n+    # add lazy diagnostic variables\n+    dset = add_lazy_pm25(dset)\n+    dset = add_lazy_pm10(dset)\n+    dset = add_lazy_pm_course(dset)\n+    dset = add_lazy_noy(dset)\n+    dset = add_lazy_nox(dset)\n+\n+    # get the times\n+    dset = _get_times(dset)\n+\n+    # get the lat lon\n+    dset = _get_latlon(dset)\n+\n+    # get Predefined mapping tables for observations\n+    dset = _predefined_mapping_tables(dset)\n+\n+    # rename dimensions\n+    dset = dset.rename({'COL': 'x', 'ROW': 'y', 'LAY': 'z'})\n+\n+    return dset\n+\n+\n+def _get_times(d):\n+    idims = len(d.TFLAG.dims)\n+    if idims == 2:\n+        tflag1 = Series(d['TFLAG'][:, 0]).astype(str).str.zfill(7)\n+        tflag2 = Series(d['TFLAG'][:, 1]).astype(str).str.zfill(6)\n+    else:\n+        tflag1 = Series(d['TFLAG'][:, 0, 0]).astype(str).str.zfill(7)\n+        tflag2 = Series(d['TFLAG'][:, 0, 1]).astype(str).str.zfill(6)\n+    date = to_datetime(\n+        [i + j for i, j in zip(tflag1, tflag2)], format='%Y%j%H%M%S')\n+    indexdates = Series(date).drop_duplicates(keep='last').index.values\n+    d = d.isel(TSTEP=indexdates)\n+    d['TSTEP'] = date[indexdates]\n+    return d.rename({'TSTEP': 'time'})\n+\n+\n+def _get_latlon(dset):\n+    \"\"\"gets the lat and lons from the pyreample.geometry.AreaDefinition\n+\n+    Parameters\n+    ----------\n+    dset : xarray.Dataset\n+        Description of parameter `dset`.\n+\n+    Returns\n+    -------\n+    xarray.Dataset\n+        Description of returned object.\n+\n+    \"\"\"\n+    lon, lat = dset.area.get_lonlats()\n+    dset['longitude'] = xr.DataArray(lon[::-1, :], dims=['ROW', 'COL'])\n+    dset['latitude'] = xr.DataArray(lat[::-1, :], dims=['ROW', 'COL'])\n+    dset = dset.assign_coords(longitude=dset.longitude, latitude=dset.latitude)\n+    return dset\n+\n+\n+def add_lazy_pm25(d):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    d : type\n+        Description of parameter `d`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(fine)\n+    if 'PM25_TOT' in keys:\n+        d['PM25'] = d['PM25_TOT'].chunk()\n+    else:\n+        index = allvars.isin(keys)\n+        newkeys = allvars.loc[index]\n+        d['PM25'] = add_multiple_lazy(d, newkeys)\n+        d['PM25'].assign_attrs({'name': 'PM2.5', 'long_name': 'PM2.5'})\n+    return d\n+\n+\n+def add_lazy_pm10(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(concatenate([fine, coarse]))\n+    if 'PM_TOT' in keys:\n+        d['PM10'] = d['PM_TOT'].chunk()\n+    else:\n+        index = allvars.isin(keys)\n+        if can_do(index):\n+            newkeys = allvars.loc[index]\n+            d['PM10'] = add_multiple_lazy(d, newkeys)\n+            d['PM10'] = d['PM10'].assign_attrs({\n+                'name':\n+                'PM10',\n+                'long_name':\n+                'Particulate Matter < 10 microns'\n+            })\n+    return d\n+\n+\n+def add_lazy_pm_course(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(coarse)\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['PM_COURSE'] = add_multiple_lazy(d, newkeys)\n+        d['PM_COURSE'] = d['PM_COURSE'].assign_attrs({\n+            'name':\n+            'PM_COURSE',\n+            'long_name':\n+            'Course Mode Particulate Matter'\n+        })\n+    return d\n+\n+\n+def add_lazy_clf(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ACLI', 'ACLJ', 'ACLK'])\n+    weights = Series([1, 1, .2])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['CLf'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['CLf'] = d['CLf'].assign_attrs({\n+            'name':\n+            'CLf',\n+            'long_name':\n+            'Fine Mode particulate Cl'\n+        })\n+    return d\n+\n+\n+def add_lazy_noy(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(noy_gas)\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['NOy'] = add_multiple_lazy(d, newkeys)\n+        d['NOy'] = d['NOy'].assign_attrs({'name': 'NOy', 'long_name': 'NOy'})\n+    return d\n+\n+\n+def add_lazy_nox(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['NO', 'NOX'])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['NOx'] = add_multiple_lazy(d, newkeys)\n+        d['NOx'] = d['NOx'].assign_attrs({'name': 'NOx', 'long_name': 'NOx'})\n+    return d\n+\n+\n+def add_multiple_lazy(dset, variables, weights=None):\n+    from numpy import ones\n+    if weights is None:\n+        weights = ones(len(variables))\n+    new = dset[variables[0]].copy() * weights[0]\n+    for i, j in zip(variables[1:], weights[1:]):\n+        new = new + dset[i].chunk() * j\n+    return new\n+\n+\n+def _predefined_mapping_tables(dset):\n+    \"\"\"Predefined mapping tables for different observational parings used when\n+        combining data.\n+\n+    Returns\n+    -------\n+    dictionary\n+        A dictionary of to map to.\n+\n+    \"\"\"\n+    to_improve = {}\n+    to_nadp = {}\n+    to_aqs = {\n+        'OZONE': ['O3'],\n+        'PM2.5': ['PM25'],\n+        'CO': ['CO'],\n+        'NOY': [\n+            'NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA',\n+            'NTR', 'CRON', 'CRN2', 'CRNO', 'CRPX', 'OPAN'\n+        ],\n+        'NOX': ['NO', 'NO2'],\n+        'SO2': ['SO2'],\n+        'NO': ['NO'],\n+        'NO2': ['NO2'],\n+        'SO4f': ['PSO4'],\n+        'PM10': ['PM10'],\n+        'NO3f': ['PNO3'],\n+        'ECf': ['PEC'],\n+        'OCf': ['OC'],\n+        'ETHANE': ['ETHA'],\n+        'BENZENE': ['BENZENE'],\n+        'TOLUENE': ['TOL'],\n+        'ISOPRENE': ['ISOP'],\n+        'O-XYLENE': ['XYL'],\n+        'WS': ['WSPD10'],\n+        'TEMP': ['TEMP2'],\n+        'WD': ['WDIR10'],\n+        'NAf': ['NA'],\n+        'NH4f': ['PNH4']\n+    }\n+    to_airnow = {\n+        'OZONE': ['O3'],\n+        'PM2.5': ['PM25'],\n+        'CO': ['CO'],\n+        'NOY': [\n+            'NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA',\n+            'NTR', 'CRON', 'CRN2', 'CRNO', 'CRPX', 'OPAN'\n+        ],\n+        'NOX': ['NO', 'NO2'],\n+        'SO2': ['SO2'],\n+        'NO': ['NO'],\n+        'NO2': ['NO2'],\n+        'SO4f': ['PSO4'],\n+        'PM10': ['PM10'],\n+        'NO3f': ['PNO3'],\n+        'ECf': ['PEC'],\n+        'OCf': ['OC'],\n+        'ETHANE': ['ETHA'],\n+        'BENZENE': ['BENZENE'],\n+        'TOLUENE': ['TOL'],\n+        'ISOPRENE': ['ISOP'],\n+        'O-XYLENE': ['XYL'],\n+        'WS': ['WSPD10'],\n+        'TEMP': ['TEMP2'],\n+        'WD': ['WDIR10'],\n+        'NAf': ['NA'],\n+        'NH4f': ['PNH4']\n+    }\n+    to_crn = {}\n+    to_aeronet = {}\n+    to_cems = {}\n+    mapping_tables = {\n+        'improve': to_improve,\n+        'aqs': to_aqs,\n+        'airnow': to_airnow,\n+        'crn': to_crn,\n+        'cems': to_cems,\n+        'nadp': to_nadp,\n+        'aeronet': to_aeronet\n+    }\n+    dset = dset.assign_attrs({'mapping_tables': mapping_tables})\n+    return dset\n+\n+\n+# Arrays for different gasses and pm groupings\n+coarse = array(['CPRM', 'CCRS'])\n+fine = array([\n+    'NA', 'PSO4', 'PNO3', 'PNH4', 'PH2O', 'PCL', 'PEC', 'FPRM', 'FCRS', 'SOA1',\n+    'SOA2', 'SOA3', 'SOA4'\n+])\n+noy_gas = array([\n+    'NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA', 'NTR',\n+    'CRON', 'CRN2', 'CRNO', 'CRPX', 'OPAN'\n+])\n+poc = array(['SOA1', 'SOA2', 'SOA3', 'SOA4'])\ndiff --git a/monet/models/cmaq.py b/monet/models/cmaq.py\n--- a/monet/models/cmaq.py\n+++ b/monet/models/cmaq.py\n@@ -1,447 +1,504 @@\n-from __future__ import absolute_import, division, print_function\n+\"\"\" CMAQ File Reader \"\"\"\n+from numpy import array, concatenate\n+from pandas import Series, to_datetime\n+import xarray as xr\n+from ..grids import grid_from_dataset, get_ioapi_pyresample_area_def\n \n-# This file is to deal with CMAQ code - try to make it general for cmaq 4.7.1 --> 5.1\n-from builtins import object, zip\n-from gc import collect\n \n-import pandas as pd\n-import xarray as xr\n-from dask.diagnostics import ProgressBar\n-from numpy import array, zeros\n-from past.utils import old_div\n-\n-ProgressBar().register()\n-\n-\n-class CMAQ(object):\n-    def __init__(self):\n-        self.objtype = 'CMAQ'\n-        self.dust_pm25 = array(\n-            ['ASO4J', 'ANO3J', 'ACLJ', 'ANH4J', 'ANAJ', 'ACAJ', 'AMGJ', 'AKJ', 'APOCJ', 'APNCOMJ', 'AECJ', 'AFEJ',\n-             'AALJ', 'ASIJ', 'ATIJ', 'AMNJ', 'AOTHRJ'])\n-        self.dust_total = array(\n-            ['ASO4J', 'ASO4K', 'ANO3J', 'ANO3K', 'ACLJ', 'ACLK', 'ANH4J', 'ANAJ', 'ACAJ', 'AMGJ', 'AKJ', 'APOCJ',\n-             'APNCOMJ', 'AECJ', 'AFEJ', 'AALJ', 'ASIJ', 'ATIJ', 'AMNJ', 'AOTHRJ', 'ASOIL'])\n-        self.aitken = array(['ACLI', 'AECI', 'ANAI', 'ANH4I',\n-                             'ANO3I', 'AOTHRI', 'APNCOMI', 'APOCI',\n-                             'ASO4I', 'AORGAI', 'AORGPAI',\n-                             'AORGBI'])\n-        self.accumulation = array(\n-            ['AALJ', 'AALK1J', 'AALK2J', 'ABNZ1J', 'ABNZ2J', 'ABNZ3J', 'ACAJ', 'ACLJ', 'AECJ', 'AFEJ',\n-             'AISO1J', 'AISO2J', 'AISO3J', 'AKJ', 'AMGJ', 'AMNJ', 'ANAJ', 'ANH4J', 'ANO3J', 'AOLGAJ', 'AOLGBJ',\n-             'AORGCJ', 'AOTHRJ', 'APAH1J', 'APAH2J', 'APAH3J', 'APNCOMJ', 'APOCJ', 'ASIJ', 'ASO4J', 'ASQTJ', 'ATIJ',\n-             'ATOL1J', 'ATOL2J', 'ATOL3J', 'ATRP1J', 'ATRP2J', 'AXYL1J', 'AXYL2J', 'AXYL3J', 'AORGAJ',\n-             'AORGPAJ', 'AORGBJ'])\n-        self.coarse = array(['ACLK', 'ACORS', 'ANH4K', 'ANO3K', 'ASEACAT', 'ASO4K', 'ASOIL'])\n-        self.noy_gas = array(\n-            ['NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA', 'NTR', 'CRON', 'CRN2', 'CRNO',\n-             'CRPX', 'OPAN'])\n-        self.pec = array(['AECI', 'AECJ'])\n-        self.pso4 = array(['ASO4I', 'ASO4J'])\n-        self.pno3 = array(['ANO3I', 'ANO3J'])\n-        self.pnh4 = array(['ANH4I', 'ANH4J'])\n-        self.pcl = array(['ACLI', 'ACLJ'])\n-        self.poc = array(['AOTHRI', 'APNCOMI', 'APOCI', 'AORGAI', 'AORGPAI', 'AORGBI', 'ATOL1J', 'ATOL2J', 'ATOL3J',\n-                          'ATRP1J', 'ATRP2J', 'AXYL1J', 'AXYL2J', 'AXYL3J', 'AORGAJ', 'AORGPAJ', 'AORGBJ', 'AOLGAJ',\n-                          'AOLGBJ', 'AORGCJ', 'AOTHRJ', 'APAH1J', 'APAH2J', 'APAH3J', 'APNCOMJ', 'APOCJ', 'ASQTJ',\n-                          'AISO1J', 'AISO2J', 'AISO3J', 'AALK1J', 'AALK2J', 'ABNZ1J', 'ABNZ2J', 'ABNZ3J', 'AORGAI',\n-                          'AORGAJ', 'AORGPAI', 'AORGPAJ', 'AORGBI', 'AORGBJ'])\n-        self.minerals = array(['AALJ', 'ACAJ', 'AFEJ', 'AKJ', 'AMGJ', 'AMNJ', 'ANAJ', 'ATIJ', 'ASIJ'])\n-        self.dset = None  # CMAQ xarray dataset object\n-        self.grid = None  # CMAQ xarray dataset gridcro2d obj\n-        self.dates = None\n-        self.keys = None\n-        self.metcrokeys = []\n-        self.indexdates = None\n-        self.metdates = None\n-        self.metindex = None\n-        self.latitude = None\n-        self.longitude = None\n-        self.map = None\n-\n-    def get_dates(self):\n-        print('Reading CMAQ dates...')\n-        idims = len(self.dset.TFLAG.dims)\n-        if idims == 2:\n-            tflag1 = array(self.dset['TFLAG'][:, 0], dtype='|S7')\n-            tflag2 = array(old_div(self.dset['TFLAG'][:, 1], 10000), dtype='|S6')\n-        else:\n-            tflag1 = array(self.dset['TFLAG'][:, 0, 0], dtype='|S7')\n-            tflag2 = array(old_div(self.dset['TFLAG'][:, 0, 1], 10000), dtype='|S6')\n-        date = pd.to_datetime([i + j.zfill(2) for i, j in zip(tflag1, tflag2)], format='%Y%j%H')\n-        indexdates = pd.Series(date).drop_duplicates(keep='last').index.values\n-        self.dset = self.dset.isel(time=indexdates)\n-        self.dset['time'] = date[indexdates]\n-\n-    def open_cmaq(self, file):\n-        from glob import glob\n-        from numpy import sort\n-        nameset = {'COL': 'x', 'ROW': 'y', 'TSTEP': 'time', 'LAY': 'z'}\n-        if type(file) == str:\n-            fname = sort(array(glob(file)))\n-        else:\n-            fname = sort(array(file))\n-        if fname.shape[0] >= 1:\n-            if self.dset is None:\n-                self.dset = xr.open_mfdataset(fname.tolist(), concat_dim='TSTEP').rename(nameset).squeeze()\n-            else:\n-                dset = xr.open_mfdataset(fname.tolist(), concat_dim='TSTEP').rename(nameset).squeeze()\n-                self.dset = xr.merge([self.dset, dset])\n-        else:\n-            print('Files not found')\n-        if self.grid is not None:\n-            self.dset = self.dset.assign(latitude=self.grid.LAT.squeeze())\n-            self.dset = self.dset.assign(longitude=self.grid.LON.squeeze())\n-            self.dset = self.dset.set_coords(['latitude', 'longitude'])\n-        self.get_dates()\n-        self.keys = list(self.dset.keys())\n-\n-    def check_z(self, varname):\n-        if pd.Series(self.dset[varname].dims).isin(['z']).max():\n-            return True\n-        else:\n-            return False\n-\n-    def add_multiple_fields(self, findkeys, lay=None, weights=None):\n-        from numpy import ones\n-        keys = self.keys\n-        newkeys = pd.Series(findkeys).loc[pd.Series(findkeys).isin(keys)].values\n-        if weights is None:\n-            w = ones(len(newkeys))\n-        if self.check_z(newkeys[0]):\n-            if lay is not None:\n-                var = self.dset[newkeys[0]][:, 0, :, :].squeeze() * w[0]\n-                for i, j in zip(newkeys[1:], w[1:]):\n-                    var += self.dset[i][:, 0, :, :].squeeze() * j\n-            else:\n-                var = self.dset[newkeys[0]][:, :, :, :].squeeze() * w[0]\n-                for i, j in zip(newkeys[1:], w[1:]):\n-                    var += self.dset[i][:, :, :, :].squeeze() * j\n-        else:\n-            var = self.dset[newkeys[0]][:, :, :].copy() * w[0]\n-            for i, j in zip(newkeys[1:], w[1:]):\n-                var += self.dset[i][:, :, :].squeeze() * j\n-        return var\n-\n-    def get_dust_total(self, lay=None):\n-        return self.add_multiple_fields(self.dust_totl, lay=lay)\n-\n-    def get_noy(self, lay=None):\n-        keys = self.keys\n-        if 'NOY' in keys:\n-            if self.check_z('NOY'):\n-                if lay is not None:\n-                    var = self.dset['NOY'][:, lay, :, :].squeeze()\n-                else:\n-                    var = self.dset['NOY'][:, :, :, :]\n-            else:\n-                var = self.dset['NOY'][:]\n-        else:\n-            var = self.add_multiple_fields(self.noy_gas, lay=lay)\n-        return var\n-\n-    def get_nox(self, lay=None):\n-        var = self.add_multiple_fields(['NO', 'NOX'], lay=lay)\n-        return var\n-\n-    def get_dust_pm25(self, lay=None):\n-        return self.add_multiple_fields(self.dust_pm25, lay=lay)\n-\n-    def get_pm25(self, lay=None):\n-        from numpy import concatenate\n-        keys = self.keys\n-        allvars = concatenate([self.aitken, self.accumulation, self.coarse])\n-        weights = array(\n-            [1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n-             1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n-             1., 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2])\n-        if 'PM25_TOT' in keys:\n-            if self.check_z('PM25_TOT'):\n-                if lay is not None:\n-                    var = self.dset['PM25_TOT'][:, lay, :, :].copy().squeeze()\n-                else:\n-                    var = self.dset['PM25_TOT'][:, :, :, :].copy()\n-            else:\n-                var = self.dset['PM25_TOT'][:, :, :].copy()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM2.5'\n-        var['long_name'] = 'PM2.5'\n-        var['var_desc'] = 'Variable PM2.5'\n-        return var\n-\n-    def get_pm10(self, lay=None):\n-        from numpy import concatenate\n-        keys = self.keys\n-        allvars = concatenate([self.aitken, self.accumulation, self.coarse])\n-        var = None\n-        if 'PMC_TOT' in keys:\n-            if self.check_z('PM10_TOT'):\n-                if lay is not None:\n-                    var = self.dset['PMC_TOT'][:, lay, :, :].copy().squeeze()\n-                else:\n-                    var = self.dset['PMC_TOT'][:, :, :, :].copy()\n-            else:\n-                var = self.dset['PMC_TOT'][:, :, :].copy()\n-        elif 'PM10' in keys:\n-            if self.check_z('PM10_TOT'):\n-                if lay is not None:\n-                    var = self.dset['PM10'][:, lay, :, :].squeeze()\n-                else:\n-                    var = self.dset['PM10'][:, :, :, :].squeeze()\n-            else:\n-                var = self.dset['PMC_TOT'][:, :, :].copy()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM2.5'\n-        var['long_name'] = 'PM2.5'\n-        var['var_desc'] = 'Variable PM2.5'\n-        return var\n-\n-    def get_clf(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ACLI', 'ACLJ', 'ACLK'])\n-        weights = array([1, 1, .2])\n-        var = None\n-        if 'PM25_CL' in keys:\n-            var = self.dset['PM25_CL'][:, lay, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_CL'\n-        var['long_name'] = 'PM25_CL'\n-        var['var_desc'] = 'Variable PM25_CL'\n-        return var\n-\n-    def get_naf(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ANAI', 'ANAJ', 'ASEACAT', 'ASOIL', 'ACORS'])\n-        weights = array([1, 1, .2 * 837.3 / 1000., .2 * 62.6 / 1000., .2 * 2.3 / 1000.])\n-        if 'PM25_NA' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_NA'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_NA'][:, :, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_NA'\n-        var['long_name'] = 'PM25_NA'\n-        var['var_desc'] = 'Variable PM25_NA'\n-        return var\n-\n-    def get_kf(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['AKI', 'AKJ', 'ASEACAT', 'ASOIL', 'ACORS'])\n-        weights = array([1, 1, .2 * 31. / 1000., .2 * 24. / 1000., .2 * 17.6 / 1000.])\n-        if 'PM25_K' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_K'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_K'][:, :, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_K'\n-        var['long_name'] = 'PM25_K'\n-        var['var_desc'] = 'Variable PM25_K'\n-\n-        return var\n-\n-    def get_caf(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ACAI', 'ACAJ', 'ASEACAT', 'ASOIL', 'ACORS'])\n-        weights = array([1, 1, .2 * 32. / 1000., .2 * 83.8 / 1000., .2 * 56.2 / 1000.])\n-        if 'PM25_CA' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_CA'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_CA'][:, :, :, :].squeeze()\n-        else:\n-            print('    Computing PM25_NO3...')\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index.values]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_CA'\n-        var['long_name'] = 'PM25_CA'\n-        var['var_desc'] = 'Variable PM25_CA'\n-        return var\n-\n-    def get_so4f(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ASO4I', 'ASO4J', 'ASO4K'])\n-        weights = array([1., 1., .2])\n-        if 'PM25_SO4' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_SO4'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_SO4'][:, :, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index.values]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_SO4'\n-        var['long_name'] = 'PM25_SO4'\n-        var['var_desc'] = 'Variable PM25_SO4'\n-        return var\n-\n-    def get_nh4f(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ANH4I', 'ANH4J', 'ANH4K'])\n-        weights = array([1., 1., .2])\n-        var = None\n-        if 'PM25_NH4' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_NH4'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_NH4'][:, :, :, :].squeeze()\n-        else:\n-            print('    Computing PM25_NH4...')\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_NH4'\n-        var['long_name'] = 'PM25_NH4'\n-        var['var_desc'] = 'Variable PM25_NH4'\n-\n-        return var\n-\n-    def get_no3f(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['ANO3I', 'ANO3J', 'ANO3K'])\n-        weights = array([1., 1., .2])\n-        var = None\n-        if 'PM25_NO3' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_NO3'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_NO3'][:, :, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_NO3'\n-        var['long_name'] = 'PM25_NO3'\n-        var['var_desc'] = 'Variable PM25_NO3'\n-        return var\n-\n-    def get_ec(self, lay=None):\n-        keys = self.keys\n-        allvars = array(['AECI', 'AECJ'])\n-        weights = array([1., 1.])\n-        var = None\n-        if 'PM25_EC' in keys:\n-            if lay is not None:\n-                var = self.dset['PM25_EC'][:, lay, :, :].squeeze()\n-            else:\n-                var = self.dset['PM25_EC'][:, :, :, :].squeeze()\n-        else:\n-            index = pd.Series(allvars).isin(keys)\n-            newkeys = allvars[index]\n-            neww = weights[index]\n-            var = self.add_multiple_fields(newkeys, lay=lay, weights=neww)\n-        var.name = 'PM25_EC'\n-        var['long_name'] = 'PM25_EC'\n-        var['var_desc'] = 'Variable PM25_EC'\n-\n-        return var\n-\n-    def get_var(self, param='O3', lay=None):\n-        p = param.upper()\n-        print(param)\n-        if p == 'PM25':\n-            var = self.get_pm25(lay=lay)\n-        elif p == 'PM10':\n-            var = self.get_pm10(lay=lay)\n-        elif p == 'PM25_DUST':\n-            var = self.get_dust_pm25(lay=lay)\n-        elif p == 'PM10_DUST':\n-            var = self.get_dust_total(lay=lay)\n-        elif p == 'NOX':\n-            var = self.get_nox(lay=lay)\n-        elif p == 'NOY':\n-            var = self.get_noy(lay=lay)\n-        elif p == 'CLF':\n-            var = self.get_clf(lay=lay)\n-        elif p == 'CAF':\n-            var = self.get_caf(lay=lay)\n-        elif p == 'NAF':\n-            var = self.get_naf(lay=lay)\n-        elif p == 'KF':\n-            var = self.get_kf(lay=lay)\n-        elif (p == 'SO4F') | (p == 'PM2.5_SO4'):\n-            var = self.get_so4f(lay=lay)\n-        elif p == 'NH4F':\n-            var = self.get_nh4f(lay=lay)\n-        elif (p == 'NO3F') | (p == 'PM2.5_NO3'):\n-            var = self.get_no3f(lay=lay)\n-        elif (p == 'PM2.5_EC') | (p == 'ECF'):\n-            var = self.get_ec(lay=lay)\n-        elif p == 'OC':\n-            var = self.get_oc(lay=lay)\n-        elif p == 'VOC':\n-            var = self.dset['VOC'][:, lay, :, :].squeeze()\n-        elif p == 'RH':\n-            var = self.get_metcro2d_rh(self, lay=lay)\n-        else:\n-            if self.check_z(param):\n-                if lay is None:\n-                    var = self.dset[param][:, :, :, :].copy()\n-                else:\n-                    var = self.dset[param][:, lay, :, :].copy().squeeze()\n-            else:\n-                var = self.dset[param][:, :, :].copy()\n-        return var\n-\n-    def get_metcro2d_rh(self, lay=None):\n-        import atmos\n-        data = {'T': self.dset['TEMP2'][:].compute().values, 'rv': self.dset['Q2'][:].compute().values,\n-                'p': self.dset['PRSFC'][:].compute().values}\n-        if lay is None:\n-            a = atmos.calculate('RH', **data)[:, :, :, :].squeeze()\n-        else:\n-            atmos.calculate('RH', **data)[:, lay, :, :].squeeze()\n-        return a\n-\n-    def set_gridcro2d(self, filename):\n-        self.grid = xr.open_dataset(filename).rename({'COL': 'x', 'ROW': 'y'}).drop('TFLAG').squeeze()\n-        lat = 'LAT'\n-        lon = 'LON'\n-        self.latitude = self.grid[lat][:][:, :].squeeze().compute()\n-        self.longitude = self.grid[lon][:][:, :].squeeze().compute()\n-        self.load_conus_basemap(res='l')\n-\n-    def load_conus_basemap(self, res='l'):\n-        from mpl_toolkits.basemap import Basemap\n-        if isinstance(self.map, type(None)):\n-            lat1 = self.grid.P_ALP\n-            lat2 = self.grid.P_BET\n-            lon1 = self.grid.P_GAM\n-            lon0 = self.grid.XCENT\n-            lat0 = self.grid.YCENT\n-            m = Basemap(projection='lcc', resolution=res, lat_1=lat1, lat_2=lat2, lat_0=lat0, lon_0=lon0,\n-                        lon_1=lon1,\n-                        llcrnrlat=self.latitude[0, 0], urcrnrlat=self.latitude[-1, -1],\n-                        llcrnrlon=self.longitude[0, 0],\n-                        urcrnrlon=self.longitude[-1, -1], rsphere=6371200.,\n-                        area_thresh=50.)\n-            self.map = m\n-        else:\n-            m = self.map\n-        return self.map\n+def can_do(index):\n+    if index.max():\n+        return True\n+    else:\n+        return False\n+\n+\n+def open_files(fname, earth_radius=6370000, convert_to_ppb=True):\n+    \"\"\"Method to open CMAQ IOAPI netcdf files.\n+\n+    Parameters\n+    ----------\n+    fname : string or list\n+        fname is the path to the file or files.  It will accept hot keys in\n+        strings as well.\n+    earth_radius : float\n+        The earth radius used for the map projection\n+    convert_to_ppb : boolean\n+        If true the units of the gas species will be converted to ppbV\n+\n+    Returns\n+    -------\n+    xarray.DataSet\n+\n+\n+    \"\"\"\n+\n+    # open the dataset using xarray\n+    dset = xr.open_mfdataset(fname)\n+\n+    # set log pressure as coordinate\n+    if 'PRES' in dset.variables:\n+        dset.coords['logp'] = xr.ufuncs.log(dset.PRES.chunk())\n+    # add lazy diagnostic variables\n+    dset = add_lazy_pm25(dset)\n+    dset = add_lazy_pm10(dset)\n+    dset = add_lazy_pm_course(dset)\n+    dset = add_lazy_clf(dset)\n+    dset = add_lazy_naf(dset)\n+    dset = add_lazy_caf(dset)\n+    dset = add_lazy_noy(dset)\n+    dset = add_lazy_nox(dset)\n+    dset = add_lazy_no3f(dset)\n+    dset = add_lazy_nh4f(dset)\n+    dset = add_lazy_so4f(dset)\n+    dset = add_lazy_rh(dset)\n+\n+    # get the grid information\n+    grid = grid_from_dataset(dset, earth_radius=earth_radius)\n+    area_def = get_ioapi_pyresample_area_def(dset, grid)\n+    # assign attributes for dataset and all DataArrays\n+    dset = dset.assign_attrs({'proj4_srs': grid})\n+    for i in dset.variables:\n+        dset[i] = dset[i].assign_attrs({'proj4_srs': grid})\n+        for j in dset[i].attrs:\n+            dset[i].attrs[j] = dset[i].attrs[j].strip()\n+        dset[i] = dset[i].assign_attrs({'area': area_def})\n+    dset = dset.assign_attrs(area=area_def)\n+\n+    # get the times\n+    dset = _get_times(dset)\n+\n+    # get the lat lon\n+    dset = _get_latlon(dset)\n+\n+    # get Predefined mapping tables for observations\n+    dset = _predefined_mapping_tables(dset)\n+\n+    # rename dimensions\n+    dset = dset.rename({'COL': 'x', 'ROW': 'y', 'LAY': 'z'})\n+\n+    # convert all gas species to ppbv\n+    if convert_to_ppb:\n+        for i in dset.variables:\n+            if 'units' in dset[i].attrs:\n+                if 'ppmV' in dset[i].attrs['units']:\n+                    dset[i] *= 1000.\n+                    dset[i].attrs['units'] = 'ppbV'\n+\n+    # convert 'micrograms to \\mu g'\n+    for i in dset.variables:\n+        if 'units' in dset[i].attrs:\n+            if 'micrograms' in dset[i].attrs['units']:\n+                dset[i].attrs['units'] = '$\\mu g m^{-3}$'\n+\n+    return dset\n+\n+\n+def _get_times(d):\n+    idims = len(d.TFLAG.dims)\n+    if idims == 2:\n+        tflag1 = Series(d['TFLAG'][:, 0]).astype(str).str.zfill(7)\n+        tflag2 = Series(d['TFLAG'][:, 1]).astype(str).str.zfill(6)\n+    else:\n+        tflag1 = Series(d['TFLAG'][:, 0, 0]).astype(str).str.zfill(7)\n+        tflag2 = Series(d['TFLAG'][:, 0, 1]).astype(str).str.zfill(6)\n+    date = to_datetime(\n+        [i + j for i, j in zip(tflag1, tflag2)], format='%Y%j%H%M%S')\n+    indexdates = Series(date).drop_duplicates(keep='last').index.values\n+    d = d.isel(TSTEP=indexdates)\n+    d['TSTEP'] = date[indexdates]\n+    return d.rename({'TSTEP': 'time'})\n+\n+\n+def _get_latlon(dset):\n+    \"\"\"gets the lat and lons from the pyreample.geometry.AreaDefinition\n+\n+    Parameters\n+    ----------\n+    dset : xarray.Dataset\n+        Description of parameter `dset`.\n+\n+    Returns\n+    -------\n+    xarray.Dataset\n+        Description of returned object.\n+\n+    \"\"\"\n+    lon, lat = dset.area.get_lonlats()\n+    dset['longitude'] = xr.DataArray(lon[::-1, :], dims=['ROW', 'COL'])\n+    dset['latitude'] = xr.DataArray(lat[::-1, :], dims=['ROW', 'COL'])\n+    dset = dset.assign_coords(longitude=dset.longitude, latitude=dset.latitude)\n+    return dset\n+\n+\n+def add_lazy_pm25(d):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    d : type\n+        Description of parameter `d`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(concatenate([aitken, accumulation, coarse]))\n+    weights = Series([\n+        1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n+        1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n+        1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,\n+        1., 0.2, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2\n+    ])\n+    if 'PM25_TOT' in keys:\n+        d['PM25'] = d['PM25_TOT'].chunk()\n+\n+    else:\n+        index = allvars.isin(keys)\n+        if can_do(index):\n+            newkeys = allvars.loc[index]\n+            newweights = weights.loc[index]\n+            d['PM25'] = add_multiple_lazy(d, newkeys, weights=newweights)\n+    d['PM25'] = d['PM25'].assign_attrs({\n+        'units': '$\\mu g m^{-3}$',\n+        'name': 'PM2.5',\n+        'long_name': 'PM2.5'\n+    })\n+    return d\n+\n+\n+def add_lazy_pm10(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(concatenate([aitken, accumulation, coarse]))\n+    if 'PM_TOT' in keys:\n+        d['PM10'] = d['PM_TOT'].chunk()\n+    else:\n+        index = allvars.isin(keys)\n+        if can_do(index):\n+            newkeys = allvars.loc[index]\n+            d['PM10'] = add_multiple_lazy(d, newkeys)\n+    d['PM10'] = d['PM10'].assign_attrs({\n+        'units':\n+        '$\\mu g m^{-3}$',\n+        'name':\n+        'PM10',\n+        'long_name':\n+        'Particulate Matter < 10 microns'\n+    })\n+    return d\n+\n+\n+def add_lazy_pm_course(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(coarse)\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['PM_COURSE'] = add_multiple_lazy(d, newkeys)\n+        d['PM_COURSE'] = d['PM_COURSE'].assign_attrs({\n+            'units':\n+            '$\\mu g m^{-3}$',\n+            'name':\n+            'PM_COURSE',\n+            'long_name':\n+            'Course Mode Particulate Matter'\n+        })\n+    return d\n+\n+\n+def add_lazy_clf(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ACLI', 'ACLJ', 'ACLK'])\n+    weights = Series([1, 1, .2])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['CLf'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['CLf'] = d['CLf'].assign_attrs({\n+            'units':\n+            '$\\mu g m^{-3}$',\n+            'name':\n+            'CLf',\n+            'long_name':\n+            'Fine Mode particulate Cl'\n+        })\n+    return d\n+\n+\n+def add_lazy_caf(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ACAI', 'ACAJ', 'ASEACAT', 'ASOIL', 'ACORS'])\n+    weights = Series(\n+        [1, 1, .2 * 32. / 1000., .2 * 83.8 / 1000., .2 * 56.2 / 1000.])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['CAf'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['CAf'] = d['CAf'].assign_attrs({\n+            'units':\n+            '$\\mu g m^{-3}$',\n+            'name':\n+            'CAf',\n+            'long_name':\n+            'Fine Mode particulate CA'\n+        })\n+    return d\n+\n+\n+def add_lazy_naf(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ANAI', 'ANAJ', 'ASEACAT', 'ASOIL', 'ACORS'])\n+    weights = Series(\n+        [1, 1, .2 * 837.3 / 1000., .2 * 62.6 / 1000., .2 * 2.3 / 1000.])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['NAf'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['NAf'] = d['NAf'].assign_attrs({\n+            'units': '$\\mu g m^{-3}$',\n+            'name': 'NAf',\n+            'long_name': 'NAf'\n+        })\n+    return d\n+\n+\n+def add_lazy_so4f(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ASO4I', 'ASO4J', 'ASO4K'])\n+    weights = Series([1., 1., .2])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['SO4f'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['SO4f'] = d['SO4f'].assign_attrs({\n+            'units': '$\\mu g m^{-3}$',\n+            'name': 'SO4f',\n+            'long_name': 'SO4f'\n+        })\n+    return d\n+\n+\n+def add_lazy_nh4f(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ANH4I', 'ANH4J', 'ANH4K'])\n+    weights = Series([1., 1., .2])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['NH4f'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['NH4f'] = d['NH4f'].assign_attrs({\n+            'units': '$\\mu g m^{-3}$',\n+            'name': 'NH4f',\n+            'long_name': 'NH4f'\n+        })\n+    return d\n+\n+\n+def add_lazy_no3f(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['ANO3I', 'ANO3J', 'ANO3K'])\n+    weights = Series([1., 1., .2])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        neww = weights.loc[index]\n+        d['NO3f'] = add_multiple_lazy(d, newkeys, weights=neww)\n+        d['NO3f'] = d['NO3f'].assign_attrs({\n+            'units': '$\\mu g m^{-3}$',\n+            'name': 'NO3f',\n+            'long_name': 'NO3f'\n+        })\n+    return d\n+\n+\n+def add_lazy_noy(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(noy_gas)\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['NOy'] = add_multiple_lazy(d, newkeys)\n+        d['NOy'] = d['NOy'].assign_attrs({'name': 'NOy', 'long_name': 'NOy'})\n+    return d\n+\n+\n+def add_lazy_rh(d):\n+    # keys = Series([i for i in d.variables])\n+    # allvars = Series(['TEMP', 'Q', 'PRES'])\n+    # index = allvars.isin(keys)\n+    # if can_do(index):\n+    #     import atmos\n+    #     data = {\n+    #         'T': dset['TEMP'][:].compute().values,\n+    #         'rv': dset['Q'][:].compute().values,\n+    #         'p': dset['PRES'][:].compute().values\n+    #     }\n+    #     d['NOx'] = add_multiple_lazy(d, newkeys)\n+    #     d['NOx'] = d['NOx'].assign_attrs({'name': 'NOx', 'long_name': 'NOx'})\n+    return d\n+\n+\n+def add_lazy_nox(d):\n+    keys = Series([i for i in d.variables])\n+    allvars = Series(['NO', 'NOX'])\n+    index = allvars.isin(keys)\n+    if can_do(index):\n+        newkeys = allvars.loc[index]\n+        d['NOx'] = add_multiple_lazy(d, newkeys)\n+        d['NOx'] = d['NOx'].assign_attrs({'name': 'NOx', 'long_name': 'NOx'})\n+    return d\n+\n+\n+def add_multiple_lazy(dset, variables, weights=None):\n+    from numpy import ones\n+    if weights is None:\n+        weights = ones(len(variables))\n+    new = dset[variables[0]].copy() * weights[0]\n+    for i, j in zip(variables[1:], weights[1:]):\n+        new = new + dset[i].chunk() * j\n+    return new\n+\n+\n+def _predefined_mapping_tables(dset):\n+    \"\"\"Predefined mapping tables for different observational parings used when\n+        combining data.\n+\n+    Returns\n+    -------\n+    dictionary\n+        A dictionary of to map to.\n+\n+    \"\"\"\n+    to_improve = {}\n+    to_nadp = {}\n+    to_aqs = {\n+        'OZONE': ['O3'],\n+        'PM2.5': ['PM25'],\n+        'CO': ['CO'],\n+        'NOY': ['NOy'],\n+        'NOX': ['NOx'],\n+        'SO2': ['SO2'],\n+        'NOX': ['NOx'],\n+        'NO': ['NO'],\n+        'NO2': ['NO2'],\n+        'SO4f': ['SO4f'],\n+        'PM10': ['PM10'],\n+        'NO3f': ['NO3f'],\n+        'ECf': ['ECf'],\n+        'OCf': ['OCf'],\n+        'ETHANE': ['ETHA'],\n+        'BENZENE': ['BENZENE'],\n+        'TOLUENE': ['TOL'],\n+        'ISOPRENE': ['ISOP'],\n+        'O-XYLENE': ['XYL'],\n+        'WS': ['WSPD10'],\n+        'TEMP': ['TEMP2'],\n+        'WD': ['WDIR10'],\n+        'NAf': ['NAf'],\n+        'MGf': ['AMGJ'],\n+        'TIf': ['ATIJ'],\n+        'SIf': ['ASIJ'],\n+        'Kf': ['Kf'],\n+        'CAf': ['CAf'],\n+        'NH4f': ['NH4f'],\n+        'FEf': ['AFEJ'],\n+        'ALf': ['AALJ'],\n+        'MNf': ['AMNJ']\n+    }\n+    to_airnow = {\n+        'OZONE': ['O3'],\n+        'PM2.5': ['PM25'],\n+        'CO': ['CO'],\n+        'NOY': ['NOy'],\n+        'NOX': ['NOx'],\n+        'SO2': ['SO2'],\n+        'NOX': ['NOx'],\n+        'NO': ['NO'],\n+        'NO2': ['NO2'],\n+        'SO4f': ['SO4f'],\n+        'PM10': ['PM10'],\n+        'NO3f': ['NO3f'],\n+        'ECf': ['ECf'],\n+        'OCf': ['OCf'],\n+        'ETHANE': ['ETHA'],\n+        'BENZENE': ['BENZENE'],\n+        'TOLUENE': ['TOL'],\n+        'ISOPRENE': ['ISOP'],\n+        'O-XYLENE': ['XYL'],\n+        'WS': ['WSPD10'],\n+        'TEMP': ['TEMP2'],\n+        'WD': ['WDIR10'],\n+        'NAf': ['NAf'],\n+        'MGf': ['AMGJ'],\n+        'TIf': ['ATIJ'],\n+        'SIf': ['ASIJ'],\n+        'Kf': ['Kf'],\n+        'CAf': ['CAf'],\n+        'NH4f': ['NH4f'],\n+        'FEf': ['AFEJ'],\n+        'ALf': ['AALJ'],\n+        'MNf': ['AMNJ']\n+    }\n+    to_crn = {\n+        'SUR_TEMP': ['TEMPG'],\n+        'T_HR_AVG': ['TEMP2'],\n+        'SOLARAD': ['RGRND'],\n+        'SOIL_MOISTURE_5': ['SOIM1'],\n+        'SOIL_MOISTURE_10': ['SOIM2']\n+    }\n+    to_aeronet = {}\n+    to_cems = {}\n+    mapping_tables = {\n+        'improve': to_improve,\n+        'aqs': to_aqs,\n+        'airnow': to_airnow,\n+        'crn': to_crn,\n+        'cems': to_cems,\n+        'nadp': to_nadp,\n+        'aeronet': to_aeronet\n+    }\n+    dset = dset.assign_attrs({'mapping_tables': mapping_tables})\n+    return dset\n+\n+\n+# Arrays for different gasses and pm groupings\n+accumulation = array([\n+    'AALJ', 'AALK1J', 'AALK2J', 'ABNZ1J', 'ABNZ2J', 'ABNZ3J', 'ACAJ', 'ACLJ',\n+    'AECJ', 'AFEJ', 'AISO1J', 'AISO2J', 'AISO3J', 'AKJ', 'AMGJ', 'AMNJ',\n+    'ANAJ', 'ANH4J', 'ANO3J', 'AOLGAJ', 'AOLGBJ', 'AORGCJ', 'AOTHRJ', 'APAH1J',\n+    'APAH2J', 'APAH3J', 'APNCOMJ', 'APOCJ', 'ASIJ', 'ASO4J', 'ASQTJ', 'ATIJ',\n+    'ATOL1J', 'ATOL2J', 'ATOL3J', 'ATRP1J', 'ATRP2J', 'AXYL1J', 'AXYL2J',\n+    'AXYL3J', 'AORGAJ', 'AORGPAJ', 'AORGBJ'\n+])\n+aitken = array([\n+    'ACLI', 'AECI', 'ANAI', 'ANH4I', 'ANO3I', 'AOTHRI', 'APNCOMI', 'APOCI',\n+    'ASO4I', 'AORGAI', 'AORGPAI', 'AORGBI'\n+])\n+coarse = array(\n+    ['ACLK', 'ACORS', 'ANH4K', 'ANO3K', 'ASEACAT', 'ASO4K', 'ASOIL'])\n+noy_gas = array([\n+    'NO', 'NO2', 'NO3', 'N2O5', 'HONO', 'HNO3', 'PAN', 'PANX', 'PNA', 'NTR',\n+    'CRON', 'CRN2', 'CRNO', 'CRPX', 'OPAN'\n+])\n+pec = array(['AECI', 'AECJ'])\n+pso4 = array(['ASO4I', 'ASO4J'])\n+pno3 = array(['ANO3I', 'ANO3J'])\n+pnh4 = array(['ANH4I', 'ANH4J'])\n+pcl = array(['ACLI', 'ACLJ'])\n+poc = array([\n+    'AOTHRI', 'APNCOMI', 'APOCI', 'AORGAI', 'AORGPAI', 'AORGBI', 'ATOL1J',\n+    'ATOL2J', 'ATOL3J', 'ATRP1J', 'ATRP2J', 'AXYL1J', 'AXYL2J', 'AXYL3J',\n+    'AORGAJ', 'AORGPAJ', 'AORGBJ', 'AOLGAJ', 'AOLGBJ', 'AORGCJ', 'AOTHRJ',\n+    'APAH1J', 'APAH2J', 'APAH3J', 'APNCOMJ', 'APOCJ', 'ASQTJ', 'AISO1J',\n+    'AISO2J', 'AISO3J', 'AALK1J', 'AALK2J', 'ABNZ1J', 'ABNZ2J', 'ABNZ3J',\n+    'AORGAI', 'AORGAJ', 'AORGPAI', 'AORGPAJ', 'AORGBI', 'AORGBJ'\n+])\n+minerals = array(\n+    ['AALJ', 'ACAJ', 'AFEJ', 'AKJ', 'AMGJ', 'AMNJ', 'ANAJ', 'ATIJ', 'ASIJ'])\ndiff --git a/monet/models/combinetool.py b/monet/models/combinetool.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/models/combinetool.py\n@@ -0,0 +1,224 @@\n+from __future__ import absolute_import, print_function\n+\n+from pandas import Series\n+\n+# from ..util import interp_util as interpo\n+# from ..obs import epa_util\n+\n+\n+def combine_da_to_df(da, df, col=None, radius_of_influence=12e3, merge=True):\n+    \"\"\"This function will combine an xarray data array with spatial information\n+    point observations in `df`.\n+\n+    Parameters\n+    ----------\n+    da : xr.DataArray\n+        Description of parameter `da`.\n+    df : pd.DataFrame\n+        Description of parameter `df`.\n+    lay : iterable, default = [0]\n+        Description of parameter `lay`.\n+    radius : integer or float, default = 12e3\n+        Description of parameter `radius`.\n+\n+    Returns\n+    -------\n+    pandas.DataFrame\n+    \"\"\"\n+    from ..util.interp_util import lonlat_to_swathdefinition\n+    from ..util.resample import resample_dataset\n+    try:\n+        if col is None:\n+            raise RuntimeError\n+    except RuntimeError:\n+        print('Must enter column name')\n+    dfn = df.dropna(subset=[col])\n+    dfnn = dfn.drop_duplicates(subset=['latitude', 'longitude'])\n+    # unit = dfnn[col + '_unit'].unique()[0]\n+    target_grid = lonlat_to_swathdefinition(\n+        longitude=dfnn.longitude.values, latitude=dfnn.latitude.values)\n+    da_interped = resample_dataset(\n+        da.compute(), target_grid, radius_of_influence=radius_of_influence)\n+    # add model if da.name is the same as column\n+    df_interped = da_interped.to_dataframe().reset_index()\n+    cols = Series(df_interped.columns)\n+    drop_cols = cols.loc[cols.isin(['x', 'y', 'z'])]\n+    df_interped.drop(drop_cols, axis=1, inplace=True)\n+    if da.name in df.columns:\n+        df_interped.rename(columns={da.name: da.name + '_new'}, inplace=True)\n+        print(df_interped.keys())\n+    final_df = df.merge(\n+        df_interped, on=['latitude', 'longitude', 'time'], how='left')\n+    return final_df\n+\n+\n+def combine_da_to_height_profile(da, dset, radius_of_influence=12e3):\n+    \"\"\"This function will combine an xarray.DataArray to a 2d dataset with\n+    dimensions (time,z)\n+\n+    Parameters\n+    ----------\n+    da : xarray.DataArray\n+        Description of parameter `da`.\n+    dset : xarray.Dataset\n+        Description of parameter `dset`.\n+\n+    Returns\n+    -------\n+    xarray.Dataset\n+        returns the xarray.Dataset with the `da` added as an additional\n+        variable.\n+\n+    \"\"\"\n+    # from ..util.interp_util import nearest_point_swathdefinition\n+    lon, lat = dset.longitude, dset.latitude\n+    # target_grid = nearest_point_swathdefinition(longitude=lon, latitude=lat)\n+    da_interped = da.monet.nearest_latlon(\n+        lon=lon, lat=lat, radius_of_influence=radius_of_influence)\n+\n+    # FIXME: interp to height here\n+\n+    dset[da.name] = da_interped\n+\n+    return dset\n+\n+\n+#\n+# def combine_to_df(model=None,\n+#                   obs=None,\n+#                   mapping_table=None,\n+#                   lay=None,\n+#                   radius=None):\n+#     # first get mapping table for obs to model\n+#     if radius is None:\n+#         try:\n+#             radius = model.dset.XCELL\n+#         except AttributeError:\n+#             radius = 40e3\n+#     if mapping_table is None:\n+#         mapping_table = get_mapping_table(model, obs)\n+#     # get the data inside of the obs dataset (check for tolnet)\n+#     if obs.objtype is not 'TOLNET' and obs.objtype is not 'AERONET':\n+#         obslist = Series(obs.df.variable.unique())\n+#         # find all variables to map\n+#         comparelist = obslist.loc[obslist.isin(mapping_table.keys())]\n+#         dfs = []\n+#         for i in comparelist:\n+#             print('Pairing: ' + i)\n+#             obsdf = obs.df.groupby('variable').get_group(\n+#                 i)  # get observations locations\n+#             obsunit = obsdf.units.unique()[0]  # get observation unit\n+#             # get observation lat and lons\n+#             dfn = obsdf.drop_duplicates(subset=['latitude', 'longitude'])\n+#           factor = check_units(model, obsunit, variable=mapping_table[i][0])\n+#             try:\n+#                 if lay is None and Series([model.objtype]).isin(\n+#                     ['CAMX', 'CMAQ']).max():\n+#                     modelvar = get_model_fields(\n+#                         model, mapping_table[i], lay=0).compute() * factor\n+#                 else:\n+#                     modelvar = get_model_fields(\n+#                         model, mapping_table[i], lay=lay).compute() * factor\n+#                 mvar_interped = interpo.interp_latlon(\n+#                     modelvar,\n+#                     dfn.latitude.values,\n+#                     dfn.longitude.values,\n+#                     radius=radius)\n+#                 combined_df = merge_obs_and_model(\n+#                     mvar_interped,\n+#                     obsdf,\n+#                     dfn,\n+#                     model_time=modelvar.time.to_index(),\n+#                     daily=obs.daily,\n+#                     obstype=obs.objtype)\n+#                 dfs.append(combined_df)\n+#             except KeyError:\n+#                 print(i + ' not in dataset and will not be paired')\n+#         df = concat(dfs)\n+#\n+#     return df\n+#\n+#\n+# def merge_obs_and_model(model,\n+#                         obs,\n+#                         dfn,\n+#                         model_time=None,\n+#                         daily=False,\n+#                         obstype=None):\n+#     import pandas as pd\n+#     e = pd.DataFrame(model, index=dfn.siteid, columns=model_time)\n+#     w = e.stack(dropna=False).reset_index().rename(columns={\n+#         'level_1': 'time',\n+#         0: 'model'\n+#     })\n+#   if daily and pd.Series(['AirNow', 'AQS', 'IMPROVE']).isin([obstype]).max():\n+#         w = w.merge(\n+#             dfn[['siteid', 'variable', 'gmt_offset', 'pollutant_standard']],\n+#             on='siteid',\n+#             how='left')\n+#         w = epa_util.regulatory_resample(w)\n+#         w = w.merge(\n+#             obs.drop(['time', 'gmt_offset', 'variable'], axis=1),\n+#             on=['siteid', 'time_local', 'pollutant_standard'],\n+#             how='left')\n+#     elif daily:\n+#         w.index = w.time\n+#         w = w.resample('D').mean().reset_index().rename(\n+#             columns={'level_1': 'time'})\n+#         w = w.merge(obs, on=['siteid', 'time'], how='left')\n+#     else:\n+#         w = w.merge(\n+#             obs, on=['siteid', 'time'],\n+#             how='left')  # assume outputs are hourly\n+#     return w\n+#\n+#\n+# def get_model_fields(model, findkeys, lay=None, weights=None):\n+#     from numpy import ones\n+#     keys = model.dset.keys()\n+#     print(findkeys)\n+#     newkeys = Series(findkeys).loc[Series(findkeys).isin(keys)]\n+#     if len(newkeys) > 1:\n+#         mvar = model.select_layer(model.dset[newkeys[0]], lay=lay)\n+#         for i in newkeys:\n+#             mvar = mvar + model.select_layer(model.dset[newkeys[0]], lay=lay)\n+#     else:\n+#         mvar = model.get_var(findkeys[0], lay=lay)\n+#     return mvar\n+#\n+#\n+# def check_units(model, obsunit, variable=None):\n+#     \"\"\"Short summary.\n+#\n+#     Parameters\n+#     ----------\n+#     df : type\n+#         Description of parameter `df`.\n+#     param : type\n+#         Description of parameter `param` (the default is 'O3').\n+#     aqs_param : type\n+#         Description of parameter `aqs_param` (the default is 'OZONE').\n+#\n+#     Returns\n+#     -------\n+#     type\n+#         Description of returned object.\n+#\n+#     \"\"\"\n+#     if obsunit == 'UG/M3':\n+#         fac = 1.\n+#     elif obsunit == 'PPB':\n+#         fac = 1000.\n+#     elif obsunit == 'ppbC':\n+#         fac = 1000.\n+#         if variable == 'ISOPRENE':\n+#             fac *= 5.\n+#         elif variable == 'BENZENE':\n+#             fac *= 6.\n+#         elif variable == 'TOLUENE':\n+#             fac *= 7.\n+#         elif variable == 'O-XYLENE':\n+#             fac *= 8.\n+#     else:\n+#         fac = 1.\n+#     return fac\ndiff --git a/monet/models/hysplit.py b/monet/models/hysplit.py\n--- a/monet/models/hysplit.py\n+++ b/monet/models/hysplit.py\n@@ -1,165 +1,529 @@\n-from __future__ import division, print_function\n-\n-from builtins import object, zip\n-\n+\"\"\" HYPSLIT MODEL READER \"\"\"\n+from ..grids import _hysplit_latlon_grid_from_dataset\n+from ..grids import get_hysplit_latlon_pyreample_area_def\n import pandas as pd\n import xarray as xr\n-from dask.diagnostics import ProgressBar\n-from numpy import array\n-from past.utils import old_div\n \n-# This file is to deal with CAMx code - try to make it general for CAMx 4.7.1 --> 5.1\n \n+def open_files(fname):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    fname : type\n+        Description of parameter `fname`.\n+    earth_radius : type\n+        Description of parameter `earth_radius`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+   CHANGES for PYTHON 3\n+   For python 3 the numpy char4 are read in as a numpy.bytes_ class and need to\n+    be converted to a python\n+   string by using decode('UTF-8').\n+\n+\n+    \"\"\"\n+\n+    # open the dataset using xarray\n+    binfile = ModelBin(fname, verbose=False, readwrite='r')\n+    dset = binfile.dset\n+\n+    # get the grid information\n+    p4 = _hysplit_latlon_grid_from_dataset(dset)\n+    swath = get_hysplit_latlon_pyreample_area_def(dset, p4)\n+\n+    # now assign this to the dataset and each dataarray\n+    dset = dset.assign_attrs({'proj4_srs': p4})\n+    for i in dset.variables:\n+        dset[i] = dset[i].assign_attrs({'proj4_srs': p4})\n+        for j in dset[i].attrs:\n+            dset[i].attrs[j] = dset[i].attrs[j].strip()\n+        dset[i] = dset[i].assign_attrs({'area': swath})\n+    dset = dset.assign_attrs(area=swath)\n+\n+    # return the dataset\n+    return dset\n+\n+\n+# class HYSPLIT(BaseModel):\n+#     def __init__(self):\n+#         BaseModel.__init__(self)\n+#         self.dset = None\n+#\n+#     # use open_files method from the BaseModel class.\n+#\n+#     def add_files(self, cdump, verbose=True):\n+#         # TO DO dset needs to be made into a regular array.\n+#         binfile = ModelBin(cdump, verbose=False, readwrite='r')\n+#         dset = binfile.dset\n+#         if self.dset is None:\n+#             self.dset = dset\n+#         else:\n+#             #self.dset = xr.merge([self.dset, dset])\n+#             self.dset.combine_first(dset)\n+#             print(self.dset)\n+#\n+#     @staticmethod\n+#     def select_layer(variable, layer=None):\n+#         if lay is not None:\n+#             try:\n+#                 var = variable.sel(levels=layer)\n+#             except ValueError:\n+#                 print(\n+#                     'Dimension \\'levels\\' not in Dataset.  Returning Dataset\n+#                      anyway'\n+#                 )\n+#                 var = variable\n+#         else:\n+#             var = variable\n+#         return var\n+#\n+#     def get_var(self, param, layer=None):\n+#         return self.select_layer(self.dset[param], layer=layer)\n+\n+\n+class ModelBin(object):\n+    \"\"\"represents a binary cdump (concentration) output file from HYSPLIT\n+       methods:\n+       readfile - opens and reads contents of cdump file into an xarray\n+       self.dset\n+\n+    \"\"\"\n+\n+    def __init__(self,\n+                 filename,\n+                 drange=None,\n+                 century=None,\n+                 verbose=False,\n+                 readwrite='r',\n+                 fillra=False):\n+        \"\"\"\n+          drange should be a list of two datetime objects.\n+           The read method will store data from the cdump file for which the\n+           sample start is greater thand drange[0] and less than drange[1]\n+           for which the sample stop is less than drange[1].\n+\n+        \"\"\"\n+        self.drange = drange\n+        self.filename = filename\n+        self.century = century\n+        self.verbose = verbose\n+        # list of tuples (date1, date2)  of averaging periods with zero\n+        # concentrations\n+        self.zeroconcdates = []\n+        # list of tuples  of averaging periods with nonzero concentrtations]\n+        self.nonzeroconcdates = []\n+        if readwrite == 'r':\n+            self.dataflag = self.readfile(\n+                filename, drange, verbose, century, fillra=fillra)\n+\n+    @staticmethod\n+    def define_struct():\n+        \"\"\"Each record in the fortran binary begins and ends with 4 bytes which\n+        specify the length of the record. These bytes are called pad below.\n+        They are not used here, but are thrown out. The following block defines\n+        a numpy dtype object for each record in the binary file. \"\"\"\n+        from numpy import dtype\n+        real4 = '>f'\n+        int4 = '>i'\n+        int2 = '>i2'\n+        char4 = '>a4'\n+\n+        rec1 = dtype([\n+            ('pad1', int4),\n+            ('model_id', char4),  # meteorological model id\n+            ('met_year', int4),  # meteorological model starting time\n+            ('met_month', int4),\n+            ('met_day', int4),\n+            ('met_hr', int4),\n+            ('met_fhr', int4),  # forecast hour\n+            ('start_loc', int4),  # number of starting locations\n+            ('conc_pack', int4),  # concentration packing flag (0=no, 1=yes)\n+            ('pad2', int4),\n+        ])\n+\n+        # start_loc in rec1 tell how many rec there are.\n+        rec2 = dtype([\n+            ('pad1', int4),\n+            ('r_year', int4),  # release starting time\n+            ('r_month', int4),\n+            ('r_day', int4),\n+            ('r_hr', int4),\n+            ('s_lat', real4),  # Release location\n+            ('s_lon', real4),\n+            ('s_ht', real4),\n+            ('r_min', int4),  # release startime time (minutes)\n+            ('pad2', int4),\n+        ])\n+\n+        rec3 = dtype([\n+            ('pad1', int4),\n+            ('nlat', int4),\n+            ('nlon', int4),\n+            ('dlat', real4),\n+            ('dlon', real4),\n+            ('llcrnr_lat', real4),\n+            ('llcrnr_lon', real4),\n+            ('pad2', int4),\n+        ])\n+\n+        rec4a = dtype([\n+            ('pad1', int4),\n+            ('nlev', int4),  # number of vertical levels in concentration grid\n+        ])\n+\n+        rec4b = dtype([\n+            ('levht', int4),  # height of each level (meters above ground)\n+        ])\n+\n+        rec5a = dtype([\n+            ('pad1', int4),\n+            ('pad2', int4),\n+            ('pollnum', int4),  # number of different pollutants\n+        ])\n+\n+        rec5b = dtype([\n+            ('pname', char4),  # identification string for each pollutant\n+        ])\n+\n+        rec5c = dtype([\n+            ('pad2', int4),\n+        ])\n+\n+        rec6 = dtype([\n+            ('pad1', int4),\n+            ('oyear', int4),  # sample start time.\n+            ('omonth', int4),\n+            ('oday', int4),\n+            ('ohr', int4),\n+            ('omin', int4),\n+            ('oforecast', int4),\n+            ('pad3', int4),\n+        ])\n+\n+        # rec7 has same form as rec6.            #sample stop time.\n+\n+        # record 8 is pollutant type identification string, output level.\n \n-ProgressBar().register()\n+        rec8a = dtype([\n+            ('pad1', int4),\n+            ('poll', char4),  # pollutant identification string\n+            ('lev', int4),\n+            ('ne', int4),  # number of elements\n+        ])\n \n+        rec8b = dtype([\n+            ('indx', int2),  # longitude index\n+            ('jndx', int2),  # latitude index\n+            ('conc', real4),\n+        ])\n \n-class HYSPLIT(object):\n-    def __init__(self):\n-        self.objtype = 'HYSPLIT'\n+        rec8c = dtype([\n+            ('pad2', int4),\n+        ])\n+        recs = (rec1, rec2, rec3, rec4a, rec4b, rec5a, rec5b, rec5c, rec6,\n+                rec8a, rec8b, rec8c)\n+        return recs\n+\n+    def readfile(self, filename, drange, verbose, century, fillra=True):\n+        \"\"\"Data from the file is stored in an xarray, self.dset\n+           returns False if all concentrations are zero else returns True.\n+           INPUTS\n+           filename - name of cdump file to open\n+           drange - [date1, date2] - range of dates to load data for. if []\n+                    then loads all data.\n+                    date1 and date2  should be datetime ojbects.\n+           verbose - turns on print statements\n+           century - if None will try to guess the century by looking\n+                    at the last two digits of the year.\n+           For python 3 the numpy char4 are read in as a numpy.bytes_\n+            class and need to be converted to a python\n+           string by using decode('UTF-8').\n+           fillra : if True will return complete concentration grid  array\n+           with zero cocenctrations filled in\n+\n+        \"\"\"\n+        from numpy import fromfile, arange\n+        import datetime\n+        # 8/16/2016 moved species=[]  to before while loop. Added print\n+        # statements when verbose.\n         self.dset = None\n-        self.fname = None\n-        self.dates = None\n-        self.keys = None\n-        self.indexdates = None\n-        self.latitude = None\n-        self.longitude = None\n-        self.map = None\n-\n-    def get_dates(self):\n-        print('Reading CAMx dates...')\n-        print(self.dset)\n-        tflag1 = array(self.dset['TFLAG'][:, 0], dtype='|S7')\n-        tflag2 = array(old_div(self.dset['TFLAG'][:, 1], 10000), dtype='|S6')\n-        date = pd.to_datetime([i + j.zfill(2) for i, j in zip(tflag1, tflag2)], format='%Y%j%H')\n-        indexdates = pd.Series(date).drop_duplicates(keep='last').index.values\n-        self.dset = self.dset.isel(time=indexdates)\n-        self.dset['time'] = date[indexdates]\n-\n-    def open_camx(self, file):\n-        from glob import glob\n-        from numpy import sort\n-        dropset = ['layer', 'longitude_bounds', 'latitude_bounds',\n-                   'x', 'y', 'level', 'lambert_conformal_conic']\n-        nameset = {'COL': 'x', 'ROW': 'y', 'TSTEP': 'time', 'LAY': 'z'}\n-        if type(file) == str:\n-            fname = sort(array(glob(file)))\n-        else:\n-            fname = sort(array(file))\n-        if fname.shape[0] >= 1:\n-            if self.dset is None:\n-                self.dset = xr.open_mfdataset(\n-                    fname.tolist(), concat_dim='TSTEP', engine='pnc').drop(dropset).rename(nameset).squeeze()\n-                self.load_conus_basemap(res='l')\n-                self.get_dates()\n-            else:\n-                dset = xr.open_mfdataset(fname.tolist(), concat_dim='TSTEP',\n-                                         engine='pnc').drop(dropset).rename(nameset).squeeze()\n-                self.dset = xr.merge([self.dset, dset])\n-        else:\n-            print('Files not found')\n-        self.keys = list(self.dset.keys())\n-\n-    def check_z(self, varname):\n-        if pd.Series(self.dset[varname].dims).isin('z').max():\n-            return True\n-        else:\n-            return False\n+        atthash = {\n+        }  # dictionary which will be turned into the dset attributes.\n+        ahash = {}\n+        fp = open(filename, 'rb')\n \n-    def get_nox(self, lay=None):\n-        if self.check_z('NO'):\n-            if lay is not None:\n-                var = self.dset['NO'][:, 0, :, :].squeeze().copy()\n-                var += self.dset['NO2'][:, 0, :, :].squeeze().copy()\n-            else:\n-                var = self.dset['NO'][:, :, :, :].copy()\n-                var += self.dset['NO2'][:, :, :, :].copy()\n-        else:\n-            var = self.dset['NO'][:, :, :].copy()\n-            var += self.dset['NO2'][:, :, :].copy()\n-        return var\n-\n-    def get_pm25(self, lay=None):\n-        keys = list(self.dset.keys())\n-        allvars = self.fine\n-        index = pd.Series(allvars).isin(keys)\n-        newkeys = allvars[index]\n-        if self.check_z(newkeys[0]):\n-            if lay is not None:\n-                var = self.dset[newkeys[0]][:, 0, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, 0, :, :].squeeze()\n-            else:\n-                var = self.dset[newkeys[0]][:, :, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, :, :, :].squeeze()\n-        else:\n-            var = self.dset[newkeys[0]][:, :, :].copy()\n-            for i in newkeys[1:]:\n-                var += self.dset[i][:, :, :].squeeze()\n-        return var\n-\n-    def get_pm10(self, lay=None):\n-        keys = list(self.dset.keys())\n-        allvars = self.coarse\n-        index = pd.Series(allvars).isin(keys)\n-        newkeys = allvars[index]\n-        if self.check_z(newkeys[0]):\n-            if lay is not None:\n-                var = self.dset[newkeys[0]][:, 0, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, 0, :, :].squeeze()\n-            else:\n-                var = self.dset[newkeys[0]][:, :, :, :].squeeze()\n-                for i in newkeys[1:]:\n-                    var += self.dset[i][:, :, :, :].squeeze()\n-        else:\n-            var = self.dset[newkeys[0]][:, :, :].copy()\n-            for i in newkeys[1:]:\n-                var += self.dset[i][:, :, :].squeeze()\n-        return var\n-\n-    def get_var(self, param='O3', lay=None):\n-        p = param.upper()\n-        print(param)\n-        if p == 'PM25':\n-            var = self.get_pm25(lay=lay)\n-        elif p == 'PM10':\n-            var = self.get_pm10(lay=lay)\n-        elif p == 'NOX':\n-            var = self.get_nox(lay=lay)\n-        elif p == 'OC':\n-            var = self.get_oc(lay=lay)\n-        elif p == 'VOC':\n-            if lay is not None:\n-                var = self.dset['VOC'][:, 0, :, :].copy().squeeze()\n-            else:\n-                var = self.dset['VOC'][:, :, :, :].copy().squeeze()\n-        else:\n-            if self.check_z(param):\n-                if lay is None:\n-                    var = self.dset[param][:, :, :, :].copy()\n+        # each record in the fortran binary begins and ends with 4 bytes which\n+        # specify the length of the record.\n+        # These bytes are called pad1 and pad2 below. They are not used here,\n+        # but are thrown out.\n+        # The following block defines a numpy dtype object for each record in\n+        # the binary file.\n+        recs = self.define_struct()\n+        rec1, rec2, rec3, rec4a = recs[0], recs[1], recs[2], recs[3]\n+        rec4b, rec5a, rec5b, rec5c = recs[4], recs[5], recs[6], recs[7]\n+        rec6, rec8a, rec8b, rec8c = recs[8], recs[9], recs[10], recs[11]\n+\n+        # rec7 = rec6\n+        # start_loc in rec1 tell how many rec there are.\n+        tempzeroconcdates = []\n+        # Reads header data. This consists of records 1-5.\n+        hdata1 = fromfile(fp, dtype=rec1, count=1)\n+        nstartloc = hdata1['start_loc'][0]\n+        # in python 3 np.fromfile reads the record into a list even if it is\n+        # just one number.\n+        # so if the length of this record is greater than one something is\n+        # wrong.\n+        if len(hdata1['start_loc']) != 1:\n+            print(\n+                'WARNING in ModelBin _readfile - number of starting locations '\n+                'incorrect')\n+            print(hdata1['start_loc'])\n+        hdata2 = fromfile(fp, dtype=rec2, count=nstartloc)\n+        hdata3 = fromfile(fp, dtype=rec3, count=1)\n+        atthash['Number Start Locations'] = nstartloc\n+\n+        # Description of concentration grid\n+        ahash['Number Lat Points'] = hdata3['nlat'][0]\n+        ahash['Number Lon Points'] = hdata3['nlon'][0]\n+        ahash['Latitude Spacing'] = hdata3['dlat'][0]\n+        ahash['Longitude Spacing'] = hdata3['dlon'][0]\n+        ahash['llcrnr longitude'] = hdata3['llcrnr_lon'][0]\n+        ahash['llrcrnr latitude'] = hdata3['llcrnr_lat'][0]\n+\n+        self.llcrnr_lon = hdata3['llcrnr_lon'][0]\n+        self.llcrnr_lat = hdata3['llcrnr_lat'][0]\n+        self.nlat = hdata3['nlat'][0]\n+        self.nlon = hdata3['nlon'][0]\n+        self.dlat = hdata3['dlat'][0]\n+        self.dlon = hdata3['dlon'][0]\n+\n+        atthash['Meteorological Model ID'] = hdata1['model_id'][0].decode(\n+            'UTF-8')\n+        self.sourcedate = []\n+        self.slat = []\n+        self.slon = []\n+        self.sht = []\n+        atthash['Starting Locations'] = []\n+        atthash['Source Date'] = []\n+        # Loop through starting locations\n+\n+        for n in range(0, nstartloc):\n+            # create list of starting latitudes, longitudes and heights.\n+            self.slat.append(hdata2['s_lat'][n])\n+            self.slon.append(hdata2['s_lon'][n])\n+            self.sht.append(hdata2['s_ht'][n])\n+            atthash['Starting Locations'].append((hdata2['s_lat'][n],\n+                                                  hdata2['s_lon'][n]))\n+\n+            # try to guess century if century not given\n+            if century is None:\n+                if hdata2['r_year'][0] < 50:\n+                    century = 2000\n                 else:\n-                    var = self.dset[param][:, lay, :, :].copy().squeeze()\n+                    century = 1900\n+                print(\n+                    'WARNING: Guessing Century for HYSPLIT concentration file',\n+                    century)\n+            # add sourcedate which is datetime.datetime object\n+            sourcedate = (datetime.datetime(\n+                century + hdata2['r_year'][n], hdata2['r_month'][n],\n+                hdata2['r_day'][n], hdata2['r_hr'][n], hdata2['r_min'][n]))\n+            self.sourcedate.append(sourcedate)\n+            atthash['Source Date'].append(sourcedate)\n+\n+        # read record 4 which gives information about vertical levels.\n+        hdata4a = fromfile(fp, dtype=rec4a, count=1)  # gets nmber of levels\n+        hdata4b = fromfile(\n+            fp, dtype=rec4b, count=hdata4a['nlev'][\n+                0])  # reads levels, count is number of levels.\n+        self.levels = hdata4b['levht']\n+        atthash['Number of Levels'] = hdata4a['nlev'][0]\n+        atthash['Level top heights (m)'] = hdata4b['levht']\n+\n+        # read record 5 which gives information about pollutants / species.\n+        hdata5a = fromfile(fp, dtype=rec5a, count=1)\n+        fromfile(fp, dtype=rec5b, count=hdata5a['pollnum'][0])\n+        fromfile(fp, dtype=rec5c, count=1)\n+        # hdata5b = fromfile(fp, dtype=rec5b, count=hdata5a['pollnum'][0])\n+        # hdata5c = fromfile(fp, dtype=rec5c, count=1)\n+        atthash['Number of Species'] = hdata5a['pollnum'][0]\n+\n+        # Loop to reads records 6-8. Number of loops is equal to number of\n+        # output times.\n+        # Only save data for output times within drange. if drange=[] then\n+        # save all.\n+        # Loop to go through each sampling time\n+        ii = 0  # check to make sure don't go above max number of iterations\n+        iii = 0  # checks to see if some nonzero data was saved in xarray\n+        # Safety valve - will not allow more than 1000 loops to be executed.\n+        imax = 1e3\n+        testf = True\n+        while testf:\n+            hdata6 = fromfile(fp, dtype=rec6, count=1)\n+            hdata7 = fromfile(fp, dtype=rec6, count=1)\n+            if len(hdata6\n+                   ) == 0:  # if no data read then break out of the while loop.\n+                break\n+            if verbose:\n+                print('REC 6 & 7 ***************')\n+                print(hdata6)\n+                print(hdata7)\n+            # pdate1 is the sample start\n+            # pdate2 is the sample stop\n+            pdate1 = datetime.datetime(century + hdata6['oyear'],\n+                                       hdata6['omonth'], hdata6['oday'],\n+                                       hdata6['ohr'])\n+            pdate2 = datetime.datetime(century + hdata7['oyear'],\n+                                       hdata7['omonth'], hdata7['oday'],\n+                                       hdata7['ohr'])\n+            atthash['Sampling Time'] = pdate2 - pdate1\n+            savedata = True\n+\n+            # if pdate1 is within drange then save the data.\n+            # AND if pdate2 is within drange then save the data.\n+            # if drange[0] > pdate1 then stop looping to look for more data\n+            # this block sets savedata to true if data within specified time\n+            # range or time range not specified\n+            if drange is None:\n+                savedata = True\n+            elif pdate1 >= drange[0] and pdate1 <= drange[1] and pdate2 <= drange[1]:\n+                savedata = True\n+            elif pdate1 > drange[1] or pdate2 > drange[1]:\n+                testf = False\n+                savedata = False\n             else:\n-                var = self.dset[param]\n-        return var\n-\n-    def load_conus_basemap(self, res='l'):\n-        from mpl_toolkits.basemap import Basemap\n-        if self.map is None:\n-            lat1 = self.dset.P_ALP\n-            lat2 = self.dset.P_BET\n-            lon1 = self.dset.P_GAM\n-            lon0 = self.dset.XCENT\n-            lat0 = self.dset.YCENT\n-            m = Basemap(projection='lcc', resolution=res, lat_1=lat1, lat_2=lat2, lat_0=lat0, lon_0=lon0,\n-                        lon_1=lon1,\n-                        llcrnrlat=self.dset.latitude[0, 0], urcrnrlat=self.dset.latitude[-1, -1],\n-                        llcrnrlon=self.dset.longitude[0, 0],\n-                        urcrnrlon=self.dset.longitude[-1, -1], rsphere=6371200.,\n-                        area_thresh=50.)\n-            self.map = m\n-        else:\n-            m = self.map\n-        return self.map\n+                savedata = False\n+            # END block\n+\n+            if verbose:\n+                print(savedata, 'DATES :', pdate1, pdate2)\n+\n+            # datelist = []\n+            atthash['Species ID'] = []\n+            inc_iii = False\n+            # LOOP to go through each level\n+            for lev in range(hdata4a['nlev'][0]):\n+                # LOOP to go through each pollutant\n+                for pollutant in range(hdata5a['pollnum'][0]):\n+\n+                    # record 8a has the number of elements (ne). If number of\n+                    # elements greater than 0 than there are concentrations.\n+                    hdata8a = fromfile(fp, dtype=rec8a, count=1)\n+                    atthash['Species ID'].append(\n+                        hdata8a['poll'][0].decode('UTF-8'))\n+                    # if number of elements is nonzero then\n+                    if hdata8a['ne'] >= 1:\n+                        hdata8b = fromfile(\n+                            fp, dtype=rec8b,\n+                            count=hdata8a['ne'][0])  # get rec8 - indx and jndx\n+                        self.nonzeroconcdates.append(\n+                            pdate1\n+                        )  # add sample start time to list of start times with\n+                        # non zero conc\n+                    else:\n+                        tempzeroconcdates.append(\n+                            pdate1\n+                        )  # or add sample start time to list of start times\n+                        # with zero conc.\n+                    # This is just padding.\n+                    fromfile(fp, dtype=rec8c, count=1)\n+                    # if savedata is set and nonzero concentrations then save\n+                    # the data in a pandas dataframe\n+                    if savedata and hdata8a['ne'] >= 1:\n+                        self.nonzeroconcdates.append(pdate1)\n+                        # set to True to indicate that there is data to be\n+                        # saved.\n+                        inc_iii = True\n+\n+                        lev_name = hdata8a['lev'][0]\n+                        col_name = hdata8a['poll'][0].decode('UTF-8')\n+                        ndata = hdata8b.byteswap().newbyteorder(\n+                        )  # otherwise get endian error.\n+                        concframe = pd.DataFrame.from_records(ndata)\n+                        # add latitude longitude columns\n+                        lat = arange(self.llcrnr_lat,\n+                                     self.llcrnr_lat + self.nlat * self.dlat,\n+                                     self.dlat)\n+                        lon = arange(self.llcrnr_lon,\n+                                     self.llcrnr_lon + self.nlon * self.dlon,\n+                                     self.dlon)\n+\n+                        def flat(x):\n+                            return lat[x - 1]\n+\n+                        def flon(x):\n+                            return lon[x - 1]\n+\n+                        # This block will fill in zero values in the\n+                        # concentration grid.\n+                        if fillra:\n+                            n1 = arange(1, self.nlat + 1)\n+                            n2 = arange(1, self.nlon + 1)\n+                            concframe['ji'] = zip(concframe['jndx'],\n+                                                  concframe['indx'])\n+                            concframe.set_index(['ji'], inplace=True)\n+                            newi = [(x, y) for x in n1 for y in n2]\n+                            concframe = concframe.reindex(newi)\n+                            concframe.reset_index(inplace=True)\n+                            concframe[['jndx',\n+                                       'indx']] = concframe['ji'].tolist()\n+                            concframe.fillna(0, inplace=True)\n+                            concframe.drop('ji', axis=1, inplace=True)\n+                            # print(len(lat))\n+                            # print(len(lon))\n+                            # print(len(n1), len(n2), n1[-1], n2[-1])\n+                            # print(self.nlat, self.nlon)\n+                            # print(self.llcrnr_lat, self.llcrnr_lon)\n+                            # print(concframe[-50:-1])\n+\n+                        concframe['latitude'] = concframe['jndx'].apply(flat)\n+                        concframe['longitude'] = concframe['indx'].apply(flon)\n+                        concframe.drop(['jndx', 'indx'], axis=1, inplace=True)\n+                        concframe['levels'] = lev_name\n+                        concframe['time'] = pdate1\n+                        if verbose:\n+                            print('pdate1')\n+                        concframe.set_index(\n+                            ['time', 'levels', 'longitude', 'latitude'],\n+                            inplace=True)\n+                        concframe.rename(\n+                            columns={'conc': col_name}, inplace=True)\n+                        dset = xr.Dataset.from_dataframe(concframe)\n+                        # if this is the first time through. create dataframe\n+                        # for first level and pollutant.\n+                        if self.dset is None:\n+                            self.dset = dset\n+                        else:  # create dataframe for level and pollutant and\n+                            # then merge with main dataframe.\n+                            # self.dset = xr.concat([self.dset, dset],'levels')\n+                            self.dset = xr.merge([self.dset, dset])\n+                        ii += 1\n+\n+                # END LOOP to go through each pollutant\n+            # END LOOP to go through each level\n+            # safety check - will stop sampling time while loop if goes over\n+            #  imax iterations.\n+            if ii > imax:\n+                testf = False\n+            if inc_iii:\n+                iii += 1\n+\n+        atthash['Concentration Grid'] = ahash\n+        atthash['Species ID'] = list(set(atthash['Species ID']))\n+        atthash['Coordinate time description'] = 'Beginning of sampling time'\n+        # END OF Loop to go through each sampling time\n+        self.dset.attrs = atthash\n+        if verbose:\n+            print(self.dset)\n+\n+        if iii == 0:\n+            print(\n+                'Warning: ModelBin class _readfile method: no data in the date range found'\n+            )\n+            return False\n+        return True\ndiff --git a/monet/monet_accessor.py b/monet/monet_accessor.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/monet_accessor.py\n@@ -0,0 +1,507 @@\n+\"MONET Accessor\"\n+\n+from __future__ import absolute_import, division, print_function\n+from builtins import object\n+import pandas as pd\n+import xarray as xr\n+import stratify\n+\n+\n+@xr.register_dataarray_accessor('monet')\n+class MONETAccessor(object):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    xray_obj : type\n+        Description of parameter `xray_obj`.\n+\n+    Attributes\n+    ----------\n+    obj : type\n+        Description of attribute `obj`.\n+\n+    \"\"\"\n+\n+    def __init__(self, xray_obj):\n+        self.obj = xray_obj\n+\n+    def stratify(self, levels, vertical, axis=1):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        levels : type\n+            Description of parameter `levels`.\n+        vertical : type\n+            Description of parameter `vertical`.\n+        axis : type\n+            Description of parameter `axis`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        result = stratify.interpolate(\n+            levels, vertical.chunk(), self.obj.chunk(), axis=axis)\n+        dims = self.obj.dims\n+        out = xr.DataArray(result, dims=dims)\n+        for i in dims:\n+            if i != 'z':\n+                out[i] = self.obj[i]\n+        out.attrs = self.obj.attrs.copy()\n+        if len(self.obj.coords) > 0:\n+            for i in self.obj.coords:\n+                out.coords[i] = self.obj.coords[i]\n+        return out\n+\n+    def interp_constant_lat(self, lat=None, **kwargs):\n+        \"\"\"Interpolates the data array to constant longitude.\n+\n+            Parameters\n+            ----------\n+            lon : float\n+                Latitude on which to interpolate to\n+\n+            Returns\n+            -------\n+            DataArray\n+                DataArray of at constant longitude\n+\n+            \"\"\"\n+        from .util.interp_util import constant_lat_swathdefition\n+        from .util.resample import resample_dataset\n+        from numpy import linspace\n+        try:\n+            if lat is None:\n+                raise RuntimeError\n+        except RuntimeError:\n+            print('Must enter lat value')\n+        longitude = linspace(self.obj.longitude.min(),\n+                             self.obj.longitude.max(), len(self.obj.x))\n+        target = constant_lat_swathdefition(longitude=longitude, latitude=lat)\n+        output = resample_dataset(self.obj, target, **kwargs).squeeze()\n+        return output\n+\n+    def interp_constant_lon(self, lon=None, **kwargs):\n+        \"\"\"Interpolates the data array to constant longitude.\n+\n+            Parameters\n+            ----------\n+            lon : float\n+                Latitude on which to interpolate to\n+\n+            Returns\n+            -------\n+            DataArray\n+                DataArray of at constant longitude\n+\n+            \"\"\"\n+        from .util.interp_util import constant_lon_swathdefition\n+        from .util.resample import resample_dataset\n+        from numpy import linspace\n+        try:\n+            if lon is None:\n+                raise RuntimeError\n+        except RuntimeError:\n+            print('Must enter lon value')\n+        latitude = linspace(self.obj.latitude.min(), self.obj.latitude.max(),\n+                            len(self.obj.y))\n+        target = constant_lon_swathdefition(longitude=lon, latitude=latitude)\n+        output = resample_dataset(self.obj, target, **kwargs).squeeze()\n+        return output\n+\n+    def nearest_latlon(self, lat=None, lon=None, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        lat : type\n+            Description of parameter `lat`.\n+        lon : type\n+            Description of parameter `lon`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .util.interp_util import nearest_point_swathdefinition\n+        from .util.resample import resample_dataset\n+        try:\n+            if lat is None or lon is None:\n+                raise RuntimeError\n+        except RuntimeError:\n+            print('Must provide latitude and longitude')\n+        target = nearest_point_swathdefinition(longitude=lon, latitude=lat)\n+        output = resample_dataset(self.obj, target, **kwargs)\n+        return output\n+\n+    def cartopy(self):\n+        \"\"\"Short summary.\n+\n+        Returns\n+        -------\n+        type\n+                Returns a cartopy.crs.Projection for this dataset\n+\n+        \"\"\"\n+\n+        return self.obj.area.to_cartopy_crs()\n+\n+    def quick_map(self, map_kwarg={}, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        map_kwarg : type\n+            Description of parameter `map_kwarg`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .plots.mapgen import draw_map\n+        from matplotlib.pyplot import tight_layout\n+        # import cartopy.crs as ccrs\n+        # crs = self.obj.monet.cartopy()\n+        ax = draw_map(**map_kwarg)\n+        self.obj.plot(x='longitude', y='latitude', ax=ax, **kwargs)\n+        ax.outline_patch.set_alpha(0)\n+        tight_layout()\n+        return ax\n+\n+    def remap_data(self, dataarray, grid=None, **kwargs):\n+        \"\"\"remaps from another grid to the current grid of self using pyresample.\n+        it assumes that the dimensions are ordered in ROW,COL,CHANNEL per\n+        pyresample docs\n+\n+        Parameters\n+        ----------\n+        grid : pyresample grid (SwathDefinition or AreaDefinition)\n+            Description of parameter `grid`.\n+        da : ndarray or xarray DataArray\n+            Description of parameter `dset`.\n+        radius_of_influence : float or integer\n+            radius of influcence for pyresample in meters.\n+\n+        Returns\n+        -------\n+        xarray.DataArray\n+            resampled object on current grid.\n+\n+        \"\"\"\n+        from .util import resample\n+        # check to see if grid is supplied\n+        target = self.obj.area\n+        if grid is None:  # grid is assumed to be in da.area\n+            out = resample.resample_dataset(dataarray.chunk(), target,\n+                                            **kwargs)\n+        else:\n+            dataarray.attrs['area'] = grid\n+            out = resample.resample_dataset(dataarray.chunk(), target,\n+                                            **kwargs)\n+        return out\n+\n+    def combine(self, data, col=None, radius_of_influence=None):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        data : type\n+            Description of parameter `data`.\n+        col : type\n+            Description of parameter `col`.\n+        radius : type\n+            Description of parameter `radius`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .models.combinetool import combine_da_to_df\n+        # point source data\n+        if isinstance(data, pd.DataFrame):\n+            try:\n+                if col is None:\n+                    raise RuntimeError\n+                return combine_da_to_df(\n+                    self.obj,\n+                    data,\n+                    col=col,\n+                    radius_of_influence=radius_of_influence)\n+            except RuntimeError:\n+                print('Must enter col ')\n+        elif isinstance(data, xr.Dataset) or isinstance(data, xr.DataArray):\n+            print('do spatial transform')\n+        else:\n+            print('d must be either a pd.DataFrame or xr.DataArray')\n+\n+\n+@xr.register_dataset_accessor('monet')\n+class MONETAccessorDataset(object):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    xray_obj : type\n+        Description of parameter `xray_obj`.\n+\n+    Attributes\n+    ----------\n+    obj : type\n+        Description of attribute `obj`.\n+\n+    \"\"\"\n+\n+    def __init__(self, xray_obj):\n+        self.obj = xray_obj\n+\n+    def remap_data(self, data, grid=None, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        data : type\n+            Description of parameter `data`.\n+        grid : type\n+            Description of parameter `grid`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        try:\n+            if isinstance(data, xr.DataArray):\n+                self._remap_dataarray(data, grid=grid, **kwargs)\n+            elif isinstance(data, xr.Dataset):\n+                self._remap_dataset(data, grid=None, **kwargs)\n+            else:\n+                raise TypeError\n+        except TypeError:\n+            print('data must be an xarray.DataArray or xarray.Dataset')\n+\n+    def _remap_dataset(self, dset, grid=None, **kwargs):\n+        \"\"\"Resample the entire dset (xarray.Dataset) to the current dataset object.\n+\n+        Parameters\n+        ----------\n+        dset : xarray.Dataset\n+            Description of parameter `dataarray`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        # from .util import resample\n+        # target = self.obj.area\n+        skip_keys = ['latitude', 'longitude', 'time', 'TFLAG']\n+        vars = pd.Series(dset.variables)\n+        loop_vars = vars.loc[~vars.isin(skip_keys)]\n+        # get the first one in the loop and get the resample_cache data\n+        dataarray = dset[loop_vars[0]]\n+\n+        da, resample_cache = self._remap_dataarray(\n+            dataarray, grid=grid, return_neighbor_info=True, **kwargs)\n+        if da.name in self.obj.variables:\n+            da.name = da.name + '_y'\n+        self.obj[da.name] = da\n+        for i in loop_vars[1:]:\n+            dataarray = dset[i]\n+            da, resample_cache = self._remap_dataarray(\n+                dataarray, grid=grid, resample_cache=resample_cache, **kwargs)\n+            if da.name in self.obj.variables:\n+                da.name = da.name + '_y'\n+            self.obj[da.name] = da\n+\n+    def _remap_dataarray(self, dataarray, grid=None, **kwargs):\n+        \"\"\"Resample the DataArray to the dataset object.\n+\n+        Parameters\n+        ----------\n+        dataarray : type\n+            Description of parameter `dataarray`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .util import resample\n+        target = self.obj.area\n+        if grid is None:  # grid is assumed to be in da.area\n+            out = resample.resample_dataset(dataarray.chunk(), target,\n+                                            **kwargs)\n+\n+        else:\n+            dataarray.attrs['area'] = grid\n+            out = resample.resample_dataset(dataarray.chunk(), target,\n+                                            **kwargs)\n+        if out.name in self.obj.variables:\n+            out.name = out.name + '_y'\n+        self.obj[out.name] = out\n+\n+    def nearest_latlon(self, lat=None, lon=None, **kwargs):\n+        vars = pd.Series(self.obj.variables)\n+        skip_keys = ['latitude', 'longitude', 'time', 'TFLAG']\n+        loop_vars = vars.loc[~vars.isin(skip_keys)]\n+        orig = self.obj[loop_vars.iloc[0]].monet.nearest_latlon(\n+            lat=lat, lon=lon, **kwargs)\n+        dset = orig.to_dataset()\n+        dset.attrs = self.obj.attrs.copy()\n+        for i in loop_vars[1:].values:\n+            dset[i] = self.obj[i].monet.nearest_latlon(\n+                lat=lat, lon=lon, **kwargs)\n+        return dset\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        lat : type\n+            Description of parameter `lat`.\n+        lon : type\n+            Description of parameter `lon`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+\n+    def interp_constant_lat(self, lat=None, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        lat : type\n+            Description of parameter `lat`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        vars = pd.Series(self.obj.variables)\n+        skip_keys = ['latitude', 'longitude', 'time', 'TFLAG']\n+        loop_vars = vars.loc[~vars.isin(skip_keys)]\n+\n+        orig = self.obj[loop_vars.iloc[0]].monet.interp_constant_lat(\n+            lat=lat, **kwargs)\n+\n+        dset = orig.to_dataset()\n+        dset.attrs = self.obj.attrs.copy()\n+        for i in loop_vars[1:].values:\n+            dset[i] = self.obj[i].interp_constant_lat(lat=lat, **kwargs)\n+        return dset\n+\n+    def interp_constant_lon(self, lon=None, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        lon : type\n+            Description of parameter `lon`.\n+        **kwargs : type\n+            Description of parameter `**kwargs`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        vars = pd.Series(self.obj.variables)\n+        skip_keys = ['latitude', 'longitude', 'time', 'TFLAG']\n+        loop_vars = vars.loc[~vars.isin(skip_keys)]\n+        orig = self.obj[loop_vars[0]].interp_constant_lon(lon=lon, **kwargs)\n+        dset = orig.to_dataset()\n+        dset.attrs = self.obj.attrs.copy()\n+        for i in loop_vars[1:].values:\n+            dset[i] = self.obj[i].interp_constant_lon(lon=lon, **kwargs)\n+        return dset\n+\n+    def stratify(self, levels, vertical, axis=1):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        levels : type\n+            Description of parameter `levels`.\n+        vertical : type\n+            Description of parameter `vertical`.\n+        axis : type\n+            Description of parameter `axis`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        loop_vars = [i for i in self.obj.variables if 'z' in self.obj[i].dims]\n+        orig = self.obj[loop_vars[0]].stratify(levels, vertical, axis=axis)\n+        dset = orig.to_dataset()\n+        dset.attrs = self.obj.attrs.copy()\n+        for i in loop_vars[1:]:\n+            dset[i] = self.obj[i].stratify(levels, vertical, axis=axis)\n+        return dset\n+\n+    def cartopy(self):\n+        \"\"\"Returns a cartopy.crs.Projection for this dataset.\"\"\"\n+        return self.obj.area.to_cartopy_crs()\n+\n+    def combine_to_df(self, df, mapping_table=None, radius_of_influence=None):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        df : type\n+            Description of parameter `df`.\n+        mapping_table : type\n+            Description of parameter `mapping_table`.\n+        radius : type\n+            Description of parameter `radius`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .models.combinetool import combine_da_to_df\n+        try:\n+            if ~isinstance(df, pd.DataFrame):\n+                raise TypeError\n+        except TypeError:\n+            print('df must be of type pd.DataFrame')\n+        for i in mapping_table:\n+            df = combine_da_to_df(\n+                self.obj[mapping_table[i]],\n+                df,\n+                col=i,\n+                radius=radius_of_influence)\n+        return df\ndiff --git a/monet/obs/__init__.py b/monet/obs/__init__.py\n--- a/monet/obs/__init__.py\n+++ b/monet/obs/__init__.py\n@@ -1,7 +1,21 @@\n from __future__ import absolute_import, print_function\n+from . import aeronet_mod, airnow_mod, aqs_mod, crn_mod, epa_util, improve_mod\n+from . import ish_mod, tolnet_mod, cems_mod, nadp_mod, modis_swath\n \n-from . import aeronet, airnow, aqs, crn, epa_util, improve, ish, tolnet\n-\n-__all__ = ['aeronet', 'airnow', 'aqs', 'crn', 'epa_util', 'improve', 'ish', 'tolnet']\n+__all__ = [\n+    'aeronet_mod', 'airnow_mod', 'aqs_mod', 'crn_mod', 'epa_util',\n+    'improve_mod', 'ish_mod', 'tolnet_mod', 'cems_mod', 'nadp_mod',\n+    'modis_swath'\n+]\n \n __name__ = 'obs'\n+\n+airnow = airnow_mod.AirNow()\n+aqs = aqs_mod.AQS()\n+aeronet = aeronet_mod.AERONET()\n+crn = crn_mod.crn()\n+improve = improve_mod.IMPROVE()\n+tolnet = tolnet_mod.TOLNet()\n+cems = cems_mod.CEMS()\n+nadp = nadp_mod.NADP()\n+\ndiff --git a/monet/obs/aeronet_mod.py b/monet/obs/aeronet_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/aeronet_mod.py\n@@ -0,0 +1,175 @@\n+from __future__ import division, print_function\n+\n+# this is written to retrive airnow data concatenate and add to pandas array\n+# for usage\n+from builtins import object, str\n+from datetime import datetime\n+\n+import pandas as pd\n+from past.utils import old_div\n+\n+\n+def dateparse(x):\n+    return pd.datetime.strptime(x, '%d:%m:%Y %H:%M:%S')\n+\n+\n+class AERONET(object):\n+    def __init__(self):\n+        from numpy import concatenate, arange\n+        self.baseurl = 'https://aeronet.gsfc.nasa.gov/cgi-bin/print_web_data_v3?'\n+        self.dates = [\n+            datetime.strptime('2016-06-06 12:00:00', '%Y-%m-%d %H:%M:%S'),\n+            datetime.strptime('2016-06-10 13:00:00', '%Y-%m-%d %H:%M:%S')\n+        ]\n+        self.datestr = []\n+        self.df = pd.DataFrame()\n+        self.daily = None\n+        self.prod = None\n+        self.inv_type = None\n+        self.objtype = 'AERONET'\n+        self.usecols = concatenate((arange(30), arange(65, 83)))\n+        # [21.1,-131.6686,53.04,-58.775] #[latmin,lonmin,latmax,lonmax]\n+        self.latlonbox = None\n+        self.url = None\n+\n+    def build_url(self):\n+        sy = self.dates.min().strftime('%Y')\n+        sm = self.dates.min().strftime('%m').zfill(2)\n+        sd = self.dates.min().strftime('%d').zfill(2)\n+        sh = self.dates.min().strftime('%H').zfill(2)\n+        ey = self.dates.max().strftime('%Y').zfill(2)\n+        em = self.dates.max().strftime('%m').zfill(2)\n+        ed = self.dates.max().strftime('%d').zfill(2)\n+        eh = self.dates.max().strftime('%H').zfill(2)\n+        if self.prod in [\n+                'AOD10', 'AOD15', 'AOD20', 'SDA10', 'SDA15', 'SDA20', 'TOT10',\n+                'TOT15', 'TOT20'\n+        ]:\n+            base_url = 'https://aeronet.gsfc.nasa.gov/cgi-bin/print_web_data_v3?'\n+            inv_type = ''\n+        else:\n+            base_url = 'https://aeronet.gsfc.nasa.gov/cgi-bin/print_web_data_inv_v3?'\n+            if self.inv_type == 'ALM15':\n+                inv_type = '&ALM15=1'\n+            else:\n+                inv_type = '&AML20=1'\n+        date_portion = 'year=' + sy + '&month=' + sm + '&day=' + sd + \\\n+            '&hour=' + sh + '&year2=' + ey + '&month2=' + em + '&day2=' + ed +\\\n+            '&hour2=' + eh\n+        if self.inv_type is not '':\n+            product = '&product=' + self.prod\n+        else:\n+            product = '&' + self.prod + '=1'\n+        time = '&AVG=' + str(self.daily)\n+        if self.latlonbox is None:\n+            latlonbox = ''\n+        else:\n+            lat1 = str(self.latlonbox[0])\n+            lon1 = str(self.latlonbox[1])\n+            lat2 = str(self.latlonbox[2])\n+            lon2 = str(self.latlonbox[3])\n+            latlonbox = '&lat1=' + lat1 + '&lat2=' + \\\n+                lat2 + '&lon1=' + lon1 + '&lon2=' + lon2\n+        self.url = base_url + date_portion + product + inv_type + time +\\\n+            '&if_no_html=1'\n+        #\n+        # self.url = 'https://aeronet.gsfc.nasa.gov/cgi-bin/print_web_data_v3?year=' + sy + '&month=' + sm + '&day=' + sd + \\\n+        #            '&hour=' + sh + '&year2=' + ey + '&month2=' + em + '&day2=' + ed + '&hour2=' + eh + '&AOD15=1&AVG=10&if_no_html=1'\n+        #\n+        #\n+        # self.url = 'https://aeronet.gsfc.nasa.gov/cgi-bin/print_web_data_v3?year=' + sy + '&month=' + sm + '&day=' + sd + '&hour=' + sh + '&year2=' + ey + \\\n+        #            '&month2=' + em + '&day2=' + ed + '&hour2=' + eh + '&lat1=' + lat1 + '&lat2=' + lat2 + '&lon1=' + lon1 + '&lon2=' + lon2 + '&AOD15=1&AVG=10&if_no_html=1'\n+\n+    def read_aeronet(self):\n+        print('Reading Aeronet Data...')\n+        # header = self.get_columns()\n+        df = pd.read_csv(\n+            self.url,\n+            engine='python',\n+            header=None,\n+            skiprows=6,\n+            parse_dates={'time': [1, 2]},\n+            date_parser=dateparse,\n+            na_values=-999)\n+        # df.rename(columns={'date_time': 'time'}, inplace=True)\n+        columns = self.get_columns()\n+        df.columns = columns  # self.get_columns()\n+        df.index = df.time\n+        df.rename(\n+            columns={\n+                'site_latitude(degrees)': 'latitude',\n+                'site_longitude(degrees)': 'longitude',\n+                'site_elevation(m)': 'elevation',\n+                'aeronet_site': 'siteid'\n+            },\n+            inplace=True)\n+        df.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        df.dropna(axis=1, how='all', inplace=True)\n+        self.df = df\n+\n+    def get_columns(self):\n+        header = pd.read_csv(\n+            self.url, skiprows=5, header=None, nrows=1).values.flatten()\n+        final = ['time']\n+        for i in header:\n+            if \"Date(\" in i or 'Time(' in i:\n+                pass\n+            else:\n+                final.append(i.lower())\n+        return final\n+\n+    def add_data(self,\n+                 dates=None,\n+                 product='AOD15',\n+                 latlonbox=None,\n+                 daily=False,\n+                 calc_550=True,\n+                 inv_type=None,\n+                 freq=None,\n+                 detect_dust=False):\n+        self.latlonbox = latlonbox\n+        if dates is None:  # get the current day\n+            self.dates = pd.date_range(\n+                start=pd.to_datetime('today'),\n+                end=pd.to_datetime('now'),\n+                freq='H')\n+        else:\n+            self.dates = dates\n+        self.prod = product.upper()\n+        if daily:\n+            self.daily = 20  # daily data\n+        else:\n+            self.daily = 10  # all points\n+        if inv_type is None:\n+            self.inv_type = 'ALM15'\n+        else:\n+            self.inv_type = inv_type\n+        self.build_url()\n+        self.read_aeronet()\n+        if freq is not None:\n+            self.df = self.df.groupby('siteid').resample(\n+                freq).mean().reset_index()\n+        if detect_dust:\n+            self.dust_detect()\n+        if calc_550:\n+            self.calc_550nm()\n+        return self.df.copy()\n+\n+    def calc_550nm(self):\n+        \"\"\"Since AOD at 500nm is not calculated we use the extrapolation of\n+        V. Cesnulyte et al (ACP,2014) for the calculation\n+\n+        aod550 = aod500 * (550/500) ^ -alpha\n+        \"\"\"\n+        self.df['aod_550nm'] = self.df.aod_500nm * (old_div(\n+            550., 500.))**(-self.df['440-870_angstrom_exponent'])\n+\n+    def dust_detect(self):\n+        \"\"\" [Dubovik et al., 2002]. AOD_1020 > 0.3 and AE(440,870) < 0.6\"\"\"\n+        self.df['dust'] = (self.df['aod_1020nm'] >\n+                           0.3) & (self.df['440-870_angstrom_exponent'] < 0.6)\n+\n+    def set_daterange(self, begin='', end=''):\n+        dates = pd.date_range(\n+            start=begin, end=end, freq='H').values.astype('M8[s]').astype('O')\n+        self.dates = dates\ndiff --git a/monet/obs/airnow_mod.py b/monet/obs/airnow_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/airnow_mod.py\n@@ -0,0 +1,291 @@\n+from __future__ import print_function\n+\n+import inspect\n+import os\n+# this is written to retrive airnow data concatenate and add to pandas array\n+# for usage\n+from builtins import object\n+from datetime import datetime\n+\n+import pandas as pd\n+\n+\n+class AirNow(object):\n+    \"\"\"Short summary.\n+\n+    Attributes\n+    ----------\n+    url : type\n+        Description of attribute `url`.\n+    dates : type\n+        Description of attribute `dates`.\n+    datestr : type\n+        Description of attribute `datestr`.\n+    df : type\n+        Description of attribute `df`.\n+    daily : type\n+        Description of attribute `daily`.\n+    objtype : type\n+        Description of attribute `objtype`.\n+    filelist : type\n+        Description of attribute `filelist`.\n+    monitor_file : type\n+        Description of attribute `monitor_file`.\n+    __class__ : type\n+        Description of attribute `__class__`.\n+    monitor_df : type\n+        Description of attribute `monitor_df`.\n+    savecols : type\n+        Description of attribute `savecols`.\n+    \"\"\"\n+\n+    def __init__(self):\n+        self.datadir = '.'\n+        self.cwd = os.getcwd()\n+        self.url = None\n+        self.dates = [\n+            datetime.strptime('2016-06-06 12:00:00', '%Y-%m-%d %H:%M:%S'),\n+            datetime.strptime('2016-06-06 13:00:00', '%Y-%m-%d %H:%M:%S')\n+        ]\n+        self.datestr = []\n+        self.df = pd.DataFrame()\n+        self.daily = False\n+        self.objtype = 'AirNow'\n+        self.filelist = None\n+        self.monitor_file = inspect.getfile(\n+            self.__class__)[:-13] + 'data/monitoring_site_locations.dat'\n+        self.monitor_df = None\n+        self.savecols = [\n+            'time', 'siteid', 'site', 'utcoffset', 'variable', 'units', 'obs',\n+            'time_local', 'latitude', 'longitude', 'cmsa_name', 'msa_code',\n+            'msa_name', 'state_name', 'epa_region'\n+        ]\n+\n+    def convert_dates_tofnames(self):\n+        \"\"\"Helper function to create file names\n+\n+        Returns\n+        -------\n+\n+\n+        \"\"\"\n+        self.datestr = []\n+        for i in self.dates:\n+            self.datestr.append(i.strftime('%Y%m%d%H.dat'))\n+\n+    def build_urls(self):\n+        \"\"\"Short summary.\n+\n+        Returns\n+        -------\n+        helper function to build urls\n+\n+        \"\"\"\n+\n+        furls = []\n+        fnames = []\n+        print('Building AIRNOW URLs...')\n+        # 2017/20170131/HourlyData_2017012408.dat\n+        url = 'https://s3-us-west-1.amazonaws.com//files.airnowtech.org/airnow/'\n+        for i in self.dates:\n+            f = url + i.strftime('%Y/%Y%m%d/HourlyData_%Y%m%d%H.dat')\n+            fname = i.strftime('HourlyData_%Y%m%d%H.dat')\n+            furls.append(f)\n+            fnames.append(fname)\n+        # https://s3-us-west-1.amazonaws.com//files.airnowtech.org/airnow/2017/20170108/HourlyData_2016121506.dat\n+\n+        # files needed for comparison\n+        self.url = pd.Series(furls, index=None)\n+        self.fnames = pd.Series(fnames, index=None)\n+\n+    def read_csv(self, fn):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        fn : string\n+            file name to read\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        try:\n+            dft = pd.read_csv(\n+                fn,\n+                delimiter='|',\n+                header=None,\n+                error_bad_lines=False,\n+                encoding='ISO-8859-1')\n+            cols = [\n+                'date', 'time', 'siteid', 'site', 'utcoffset', 'variable',\n+                'units', 'obs', 'source'\n+            ]\n+            dft.columns = cols\n+        except Exception:\n+            cols = [\n+                'date', 'time', 'siteid', 'site', 'utcoffset', 'variable',\n+                'units', 'obs', 'source'\n+            ]\n+            dft = pd.DataFrame(columns=cols)\n+        dft['obs'] = dft.obs.astype(float)\n+        dft['siteid'] = dft.siteid.str.zfill(9)\n+        dft['utcoffset'] = dft.utcoffset.astype(int)\n+        return dft\n+\n+    def retrieve(self, url, fname):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        url : type\n+            Description of parameter `url`.\n+        fname : type\n+            Description of parameter `fname`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import requests\n+\n+        if not os.path.isfile(fname):\n+            print('\\n Retrieving: ' + fname)\n+            print(url)\n+            print('\\n')\n+            r = requests.get(url)\n+            open(fname, 'wb').write(r.content)\n+        else:\n+            print('\\n File Exists: ' + fname)\n+\n+    def aggregate_files(self, download=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        download : type\n+            Description of parameter `download` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import dask\n+        import dask.dataframe as dd\n+\n+        print('Aggregating AIRNOW files...')\n+        self.build_urls()\n+        if download:\n+            for url, fname in zip(self.url, self.fnames):\n+                self.retrieve(url, fname)\n+            dfs = [dask.delayed(self.read_csv)(f) for f in self.fnames]\n+        else:\n+            dfs = [dask.delayed(self.read_csv)(f) for f in self.url]\n+        dff = dd.from_delayed(dfs)\n+        df = dff.compute()\n+        df['time'] = pd.to_datetime(\n+            df.date + ' ' + df.time,\n+            format='%m/%d/%y %H:%M',\n+            exact=True,\n+            box=False)\n+        df.drop(['date'], axis=1, inplace=True)\n+        df['time_local'] = df.time + pd.to_timedelta(df.utcoffset, unit='H')\n+        self.df = df\n+        print('    Adding in Meta-data')\n+        self.get_station_locations()\n+        self.df = self.df[self.savecols]\n+        self.df.drop_duplicates(inplace=True)\n+        self.filter_bad_values()\n+\n+    def add_data(self, dates, download=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        dates : type\n+            Description of parameter `dates`.\n+        download : type\n+            Description of parameter `download` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        self.dates = dates\n+        self.aggregate_files(download=download)\n+        return self.df\n+\n+    def filter_bad_values(self):\n+        \"\"\"Short summary.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from numpy import NaN\n+        self.df.loc[(self.df.obs > 1000) | (self.df.obs < 0), 'obs'] = NaN\n+\n+    def set_daterange(self, **kwargs):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        begin : type\n+            Description of parameter `begin` (the default is '').\n+        end : type\n+            Description of parameter `end` (the default is '').\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        dates = pd.date_range(**kwargs)\n+        self.dates = dates\n+        return dates\n+\n+    def get_station_locations(self):\n+        \"\"\"Short summary.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .epa_util import read_monitor_file\n+        self.monitor_df = read_monitor_file(airnow=True)\n+        self.df = pd.merge(\n+            self.df, self.monitor_df, on='siteid')  # , how='left')\n+\n+    def get_station_locations_remerge(self, df):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        df : type\n+            Description of parameter `df`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        df = pd.merge(\n+            df,\n+            self.monitor_df.drop(['Latitude', 'Longitude'], axis=1),\n+            on='siteid')  # ,\n+        # how='left')\n+        return df\ndiff --git a/monet/obs/aqs_mod.py b/monet/obs/aqs_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/aqs_mod.py\n@@ -0,0 +1,568 @@\n+from __future__ import print_function\n+\n+import inspect\n+import os\n+# this is a class to deal with aqs data\n+from builtins import object, zip\n+import pandas as pd\n+from dask.diagnostics import ProgressBar\n+\n+from .epa_util import read_monitor_file\n+\n+pbar = ProgressBar()\n+pbar.register()\n+\n+\n+class AQS(object):\n+    \"\"\"Short summary.\n+\n+    Attributes\n+    ----------\n+    baseurl : type\n+        Description of attribute `baseurl`.\n+    objtype : type\n+        Description of attribute `objtype`.\n+    baseurl : type\n+        Description of attribute `baseurl`.\n+    dates : type\n+        Description of attribute `dates`.\n+    renamedhcols : type\n+        Description of attribute `renamedhcols`.\n+    renameddcols : type\n+        Description of attribute `renameddcols`.\n+    savecols : type\n+        Description of attribute `savecols`.\n+    df : type\n+        Description of attribute `df`.\n+    monitor_file : type\n+        Description of attribute `monitor_file`.\n+    __class__ : type\n+        Description of attribute `__class__`.\n+    monitor_df : type\n+        Description of attribute `monitor_df`.\n+    daily : type\n+        Description of attribute `daily`.\n+    d_df : type\n+        Description of attribute `d_df`.\n+\n+    \"\"\"\n+\n+    def __init__(self):\n+        #        self.baseurl = 'https://aqs.epa.gov/aqsweb/airdata/'\n+        self.objtype = 'AQS'\n+        self.baseurl = 'https://aqs.epa.gov/aqsweb/airdata/'\n+        self.renamedhcols = [\n+            'time_local', 'time', 'state_code', 'county_code', 'site_num',\n+            'parameter_code', 'poc', 'latitude', 'longitude', 'datum',\n+            'parameter_name', 'obs', 'units', 'mdl', 'uncertainty',\n+            'qualifier', 'method_type', 'method_code', 'method_name',\n+            'state_name', 'county_name', 'date_of_last_change'\n+        ]\n+        self.renameddcols = [\n+            'time_local', 'state_code', 'county_code', 'site_num',\n+            'parameter_code', 'poc', 'latitude', 'longitude', 'datum',\n+            'parameter_name', 'sample_duration', 'pollutant_standard', 'units',\n+            'event_type', 'observation_Count', 'observation_Percent', 'obs',\n+            '1st_max_Value', '1st_max_hour', 'aqi', 'method_code',\n+            'method_name', 'local_site_name', 'address', 'state_name',\n+            'county_name', 'city_name', 'msa_name', 'date_of_last_change'\n+        ]\n+        self.savecols = [\n+            'time_local', 'time', 'siteid', 'latitude', 'longitude', 'obs',\n+            'units', 'variable'\n+        ]\n+        self.df = pd.DataFrame()  # hourly dataframe\n+        self.monitor_file = inspect.getfile(\n+            self.__class__)[:-10] + 'data/monitoring_site_locations.dat'\n+        self.monitor_df = None\n+        self.daily = False\n+        self.d_df = None  # daily dataframe\n+\n+    def load_aqs_file(self, url, network):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        url : type\n+            Description of parameter `url`.\n+        network : type\n+            Description of parameter `network`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        if 'daily' in url:\n+\n+            def dateparse(x):\n+                return pd.datetime.strptime(x, '%Y-%m-%d')\n+\n+            df = pd.read_csv(\n+                url,\n+                parse_dates={'time_local': [\"Date Local\"]},\n+                date_parser=dateparse,\n+                dtype={\n+                    0: str,\n+                    1: str,\n+                    2: str\n+                },\n+                encoding='ISO-8859-1')\n+            df.columns = self.renameddcols\n+            df['pollutant_standard'] = df.pollutant_standard.astype(str)\n+            self.daily = True\n+            # df.rename(columns={'parameter_name':'variable'})\n+        else:\n+            df = pd.read_csv(\n+                url,\n+                parse_dates={\n+                    'time': ['Date GMT', 'Time GMT'],\n+                    'time_local': [\"Date Local\", \"Time Local\"]\n+                },\n+                infer_datetime_format=True)\n+            df.columns = self.renamedhcols\n+\n+        df['siteid'] = df.state_code.astype(str).str.zfill(\n+            2) + df.county_code.astype(str).str.zfill(3) + df.site_num.astype(\n+                str).str.zfill(4)\n+        # df['siteid'] = df.state_code + df.county_code + df.site_num\n+        df.drop(['state_name', 'county_name'], axis=1, inplace=True)\n+        df.columns = [i.lower() for i in df.columns]\n+        if 'daily' not in url:\n+            df.drop(['datum', 'qualifier'], axis=1, inplace=True)\n+        if 'VOC' in url:\n+            voc = True\n+        else:\n+            voc = False\n+        df = self.get_species(df, voc=voc)\n+        return df\n+\n+    def build_url(self, param, year, daily=False, download=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        param : type\n+            Description of parameter `param`.\n+        year : type\n+            Description of parameter `year`.\n+        daily : type\n+            Description of parameter `daily` (the default is False).\n+        download : type\n+            Description of parameter `download` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        if daily:\n+            beginning = self.baseurl + 'daily_'\n+            fname = 'daily_'\n+        else:\n+            beginning = self.baseurl + 'hourly_'\n+            fname = 'hourly_'\n+        if (param.upper() == 'OZONE') | (param.upper() == 'O3'):\n+            code = '44201_'\n+        elif param.upper() == 'PM2.5':\n+            code = '88101_'\n+        elif param.upper() == 'PM2.5_FRM':\n+            code = '88502_'\n+        elif param.upper() == 'PM10':\n+            code = '81102_'\n+        elif param.upper() == 'SO2':\n+            code = '42401_'\n+        elif param.upper() == 'NO2':\n+            code = '42602_'\n+        elif param.upper() == 'CO':\n+            code = '42101_'\n+        elif param.upper() == 'NONOxNOy'.upper():\n+            code = 'NONOxNOy_'\n+        elif param.upper() == 'VOC':\n+            # https://aqs.epa.gov/aqsweb/airdata/daily_VOCS_2017.zip\n+            code = 'VOCS_'\n+        elif param.upper() == 'SPEC':\n+            code = 'SPEC_'\n+        elif param.upper() == 'PM10SPEC':\n+            code = 'PM10SPEC_'\n+        elif param.upper() == 'WIND':\n+            code = 'WIND_'\n+        elif param.upper() == 'TEMP':\n+            code = 'TEMP_'\n+        elif param.upper() == 'RHDP':\n+            code = 'RH_DP_'\n+        elif (param.upper() == 'WIND') | (param.upper() == 'WS') | (\n+                param.upper() == 'WDIR'):\n+            code = 'WIND_'\n+        url = beginning + code + year + '.zip'\n+        fname = fname + code + year + '.zip'\n+        return url, fname\n+\n+    def build_urls(self, params, dates, daily=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        params : type\n+            Description of parameter `params`.\n+        dates : list of datetime objects\n+            dates to retrieve data for. Only the years are taken into account.\n+        daily : type\n+            Description of parameter `daily` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        years = pd.DatetimeIndex(dates).year.unique().astype(str)\n+        urls = []\n+        fnames = []\n+        for i in params:\n+            for y in years:\n+                url, fname = self.build_url(i, y, daily=daily)\n+                urls.append(url)\n+                fnames.append(fname)\n+        return urls, fnames\n+\n+    def retrieve(self, url, fname):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        url : type\n+            Description of parameter `url`.\n+        fname : type\n+            Description of parameter `fname`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import requests\n+\n+        if not os.path.isfile(fname):\n+            print('\\n Retrieving: ' + fname)\n+            print(url)\n+            print('\\n')\n+            r = requests.get(url)\n+            open(fname, 'wb').write(r.content)\n+        else:\n+            print('\\n File Exists: ' + fname)\n+\n+    def add_data(self,\n+                 dates,\n+                 param=None,\n+                 daily=False,\n+                 network=None,\n+                 download=False,\n+                 local=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        dates : list of datetime objects\n+            Description of parameter `dates`.\n+        param : list of strings\n+            Description of parameter `param` (the default is None).\n+        daily : boolean\n+            Description of parameter `daily` (the default is False).\n+        network : type\n+            Description of parameter `network` (the default is None).\n+        download : type\n+            Description of parameter `download` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import dask\n+        import dask.dataframe as dd\n+        if param is None:\n+            params = [\n+                'SPEC', 'PM10', 'PM2.5', 'PM2.5_FRM', 'CO', 'OZONE', 'SO2',\n+                'VOC', 'NONOXNOY', 'WIND', 'TEMP', 'RHDP'\n+            ]\n+        else:\n+            params = param\n+        urls, fnames = self.build_urls(params, dates, daily=daily)\n+        if download:\n+            for url, fname in zip(urls, fnames):\n+                self.retrieve(url, fname)\n+            dfs = [\n+                dask.delayed(self.load_aqs_file)(i, network) for i in fnames\n+            ]\n+        elif local:\n+            dfs = [\n+                dask.delayed(self.load_aqs_file)(i, network) for i in fnames\n+            ]\n+        else:\n+            dfs = [dask.delayed(self.load_aqs_file)(i, network) for i in urls]\n+        dff = dd.from_delayed(dfs)\n+        self.df = dff.compute()\n+        self.df = self.change_units(self.df)\n+        if self.monitor_df is None:\n+            self.monitor_df = read_monitor_file()\n+            drop_monitor_cols = True\n+        else:\n+            drop_monitor_cols = False\n+        if daily:\n+            if drop_monitor_cols:\n+                monitor_drop = [\n+                    'msa_name', 'city_name', u'local_site_name', u'address',\n+                    u'datum'\n+                ]\n+                self.monitor_df.drop(monitor_drop, axis=1, inplace=True)\n+        # else:\n+        #     monitor_drop = [u'datum']\n+        #     self.monitor_df.drop(monitor_drop, axis=1, inplace=True)\n+        if network is not None:\n+            monitors = self.monitor_df.loc[self.monitor_df.isin(\n+                [network])].drop_duplicates(subset=['siteid'])\n+        else:\n+            monitors = self.monitor_df.drop_duplicates(subset=['siteid'])\n+        self.df = pd.merge(self.df, monitors, on=['siteid'], how='left')\n+        if daily:\n+            self.df['time'] = self.df.time_local - pd.to_timedelta(\n+                self.df.gmt_offset, unit='H')\n+        # if pd.Series(self.df.columns).isin(['parameter_name']).max():\n+        # self.df.drop('parameter_name', axis=1, inplace=True)\n+        return self.df.copy()\n+\n+    def get_species(self, df, voc=False):\n+        \"\"\"Short summary.\n+\n+        Parameterssdfdsf\n+        ----------\n+        df : type\n+            Description of parameter `df`.\n+        voc : type\n+            Description of parameter `voc` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        pc = df.parameter_code.unique()\n+        df['variable'] = ''\n+        if voc:\n+            df['variable'] = df.parameter_name.str.upper()\n+            return df\n+        for i in pc:\n+            con = df.parameter_code == i\n+            if (i == 88101) | (i == 88502):\n+                df.loc[con, 'variable'] = 'PM2.5'\n+            if i == 44201:\n+                df.loc[con, 'variable'] = 'OZONE'\n+            if i == 81102:\n+                df.loc[con, 'variable'] = 'PM10'\n+            if i == 42401:\n+                df.loc[con, 'variable'] = 'SO2'\n+            if i == 42602:\n+                df.loc[con, 'variable'] = 'NO2'\n+            if i == 42101:\n+                df.loc[con, 'variable'] = 'CO'\n+            if i == 62101:\n+                df.loc[con, 'variable'] = 'TEMP'\n+            if i == 88305:\n+                df.loc[con, 'variable'] = 'OC'\n+            if i == 88306:\n+                df.loc[con, 'variable'] = 'NO3f'\n+            if (i == 88307):\n+                df.loc[con, 'variable'] = 'ECf'\n+            if i == 88316:\n+                df.loc[con, 'variable'] = 'ECf_optical'\n+            if i == 88403:\n+                df.loc[con, 'variable'] = 'SO4f'\n+            if i == 88312:\n+                df.loc[con, 'variable'] = 'TCf'\n+            if i == 88104:\n+                df.loc[con, 'variable'] = 'Alf'\n+            if i == 88107:\n+                df.loc[con, 'variable'] = 'Baf'\n+            if i == 88313:\n+                df.loc[con, 'variable'] = 'BCf'\n+            if i == 88109:\n+                df.loc[con, 'variable'] = 'Brf'\n+            if i == 88110:\n+                df.loc[con, 'variable'] = 'Cdf'\n+            if i == 88111:\n+                df.loc[con, 'variable'] = 'Caf'\n+            if i == 88117:\n+                df.loc[con, 'variable'] = 'Cef'\n+            if i == 88118:\n+                df.loc[con, 'variable'] = 'Csf'\n+            if i == 88203:\n+                df.loc[con, 'variable'] = 'Cl-f'\n+            if i == 88115:\n+                df.loc[con, 'variable'] = 'Clf'\n+            if i == 88112:\n+                df.loc[con, 'variable'] = 'Crf'\n+            if i == 88113:\n+                df.loc[con, 'variable'] = 'Cof'\n+            if i == 88114:\n+                df.loc[con, 'variable'] = 'Cuf'\n+            if i == 88121:\n+                df.loc[con, 'variable'] = 'Euf'\n+            if i == 88143:\n+                df.loc[con, 'variable'] = 'Auf'\n+            if i == 88127:\n+                df.loc[con, 'variable'] = 'Hff'\n+            if i == 88131:\n+                df.loc[con, 'variable'] = 'Inf'\n+            if i == 88126:\n+                df.loc[con, 'variable'] = 'Fef'\n+            if i == 88146:\n+                df.loc[con, 'variable'] = 'Laf'\n+            if i == 88128:\n+                df.loc[con, 'variable'] = 'Pbf'\n+            if i == 88140:\n+                df.loc[con, 'variable'] = 'Mgf'\n+            if i == 88132:\n+                df.loc[con, 'variable'] = 'Mnf'\n+            if i == 88142:\n+                df.loc[con, 'variable'] = 'Hgf'\n+            if i == 88134:\n+                df.loc[con, 'variable'] = 'Mof'\n+            if i == 88136:\n+                df.loc[con, 'variable'] = 'Nif'\n+            if i == 88147:\n+                df.loc[con, 'variable'] = 'Nbf'\n+            if i == 88310:\n+                df.loc[con, 'variable'] = 'NO3f'\n+            if i == 88152:\n+                df.loc[con, 'variable'] = 'Pf'\n+            if i == 88303:\n+                df.loc[con, 'variable'] = 'K+f'\n+            if i == 88176:\n+                df.loc[con, 'variable'] = 'Rbf'\n+            if i == 88162:\n+                df.loc[con, 'variable'] = 'Smf'\n+            if i == 88163:\n+                df.loc[con, 'variable'] = 'Scf'\n+            if i == 88154:\n+                df.loc[con, 'variable'] = 'Sef'\n+            if i == 88165:\n+                df.loc[con, 'variable'] = 'Sif'\n+            if i == 88166:\n+                df.loc[con, 'variable'] = 'Agf'\n+            if i == 88302:\n+                df.loc[con, 'variable'] = 'Na+f'\n+            if i == 88184:\n+                df.loc[con, 'variable'] = 'Naf'\n+            if i == 88168:\n+                df.loc[con, 'variable'] = 'Srf'\n+            if i == 88403:\n+                df.loc[con, 'variable'] = 'SO4f'\n+            if i == 88169:\n+                df.loc[con, 'variable'] = 'Sf'\n+            if i == 88170:\n+                df.loc[con, 'variable'] = 'Taf'\n+            if i == 88172:\n+                df.loc[con, 'variable'] = 'Tbf'\n+            if i == 88160:\n+                df.loc[con, 'variable'] = 'Snf'\n+            if i == 88161:\n+                df.loc[con, 'variable'] = 'Tif'\n+            if i == 88312:\n+                df.loc[con, 'variable'] = 'TOT_Cf'\n+            if i == 88310:\n+                df.loc[con, 'variable'] = 'NON-VOLITILE_NO3f'\n+            if i == 88309:\n+                df.loc[con, 'variable'] = 'VOLITILE_NO3f'\n+            if i == 88186:\n+                df.loc[con, 'variable'] = 'Wf'\n+            if i == 88314:\n+                df.loc[con, 'variable'] = 'C_370nmf'\n+            if i == 88179:\n+                df.loc[con, 'variable'] = 'Uf'\n+            if i == 88164:\n+                df.loc[con, 'variable'] = 'Vf'\n+            if i == 88183:\n+                df.loc[con, 'variable'] = 'Yf'\n+            if i == 88167:\n+                df.loc[con, 'variable'] = 'Znf'\n+            if i == 88185:\n+                df.loc[con, 'variable'] = 'Zrf'\n+            if i == 88102:\n+                df.loc[con, 'variable'] = 'Sbf'\n+            if i == 88103:\n+                df.loc[con, 'variable'] = 'Asf'\n+            if i == 88105:\n+                df.loc[con, 'variable'] = 'Bef'\n+            if i == 88124:\n+                df.loc[con, 'variable'] = 'Gaf'\n+            if i == 88185:\n+                df.loc[con, 'variable'] = 'Irf'\n+            if i == 88180:\n+                df.loc[con, 'variable'] = 'Kf'\n+            if i == 88301:\n+                df.loc[con, 'variable'] = 'NH4+f'\n+            if (i == 88320) | (i == 88355):\n+                df.loc[con, 'variable'] = 'OCf'\n+            if (i == 88357) | (i == 88321):\n+                df.loc[con, 'variable'] = 'ECf'\n+            if i == 42600:\n+                df.loc[con, 'variable'] = 'NOY'\n+            if i == 42601:\n+                df.loc[con, 'variable'] = 'NO'\n+            if i == 42603:\n+                df.loc[con, 'variable'] = 'NOX'\n+            if (i == 61103) | (i == 61101):\n+                df.loc[con, 'variable'] = 'WS'\n+            if (i == 61104) | (i == 61102):\n+                df.loc[con, 'variable'] = 'WD'\n+            if i == 62201:\n+                df.loc[con, 'variable'] = 'RH'\n+            if i == 62103:\n+                df.loc[con, 'variable'] = 'DP'\n+        return df\n+\n+    @staticmethod\n+    def change_units(df):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        df : type\n+            Description of parameter `df`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        units = df.units.unique()\n+        for i in units:\n+            con = df.units == i\n+            if i.upper() == 'Parts per billion Carbon'.upper():\n+                df.loc[con, 'units'] = 'ppbC'\n+            if i == 'Parts per billion':\n+                df.loc[con, 'units'] = 'ppb'\n+            if i == 'Parts per million':\n+                df.loc[con, 'units'] = 'ppm'\n+            if i == 'Micrograms/cubic meter (25 C)':\n+                df.loc[con, 'units'] = 'UG/M3'.lower()\n+            if i == 'Degrees Centigrade':\n+                df.loc[con, 'units'] = 'C'\n+            if i == 'Micrograms/cubic meter (LC)':\n+                df.loc[con, 'units'] = 'UG/M3'.lower()\n+            if i == 'Knots':\n+                df.loc[con, 'obs'] *= 0.51444\n+                df.loc[con, 'units'] = 'M/S'.lower()\n+            if i == 'Degrees Fahrenheit':\n+                df.loc[con, 'obs'] = (df.loc[con, 'obs'] + 459.67) * 5. / 9.\n+                df.loc[con, 'units'] = 'K'\n+            if i == 'Percent relative humidity':\n+                df.loc[con, 'units'] = '%'\n+        return df\ndiff --git a/monet/obs/cems_mod.py b/monet/obs/cems_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/cems_mod.py\n@@ -0,0 +1,537 @@\n+from __future__ import print_function\n+import os\n+import datetime\n+import pandas as pd\n+import numpy as np\n+\"\"\"\n+NAME: cems_mod.py\n+PGRMMER: Alice Crawford   ORG: ARL\n+This code written at the NOAA air resources laboratory\n+Python 3\n+#################################################################\n+\"\"\"\n+\n+\n+def getdegrees(degrees, minutes, seconds):\n+    return degrees + minutes / 60.0 + seconds / 3600.00\n+\n+\n+def addmonth(dt):\n+    month = dt.month + 1\n+    year = dt.year\n+    day = dt.day\n+    hour = dt.hour\n+    if month > 12:\n+        year = dt.year + 1\n+        month = month - 12\n+        if day == 31 and month in [4, 6, 9, 11]:\n+            day = 30\n+        if month == 2 and day in [29, 30, 31]:\n+            if year % 4 == 0:\n+                day = 29\n+            else:\n+                day = 28\n+    return datetime.datetime(year, month, day, hour)\n+\n+\n+def get_date_fmt(date, verbose=False):\n+    \"\"\"Determines what format of the date is in.\n+    In some files year is first and others it is last.\n+    Parameters\n+    ----------\n+    date: str\n+          with format either YYYY-mm-DD or mm-DD-YYYY\n+    verbose: boolean\n+          if TRUE print extra information\n+    Rerturns\n+    --------\n+    fmt: str\n+        string which can be used with datetime object to give format of date\n+        string.\n+    \"\"\"\n+    if verbose:\n+        print('Determining date format')\n+    if verbose:\n+        print(date)\n+    temp = date.split('-')\n+    if len(temp[0]) == 4:\n+        fmt = \"%Y-%m-%d %H\"\n+    else:\n+        fmt = \"%m-%d-%Y %H\"\n+    return fmt\n+\n+\n+class CEMS(object):\n+    \"\"\"\n+    Class for data from continuous emission monitoring systems (CEMS).\n+    Data from power plants can be downloaded from\n+    ftp://newftp.epa.gov/DMDNLoad/emissions/\n+\n+   Attributes\n+    ----------\n+    efile : type string\n+        Description of attribute `efile`.\n+    url : type string\n+        Description of attribute `url`.\n+    info : type string\n+        Information about data.\n+    df : pandas DataFrame\n+        dataframe containing emissions data.\n+   Methods\n+    ----------\n+    __init__(self)\n+    add_data(self, rdate, states=['md'], download=False, verbose=True):\n+    load(self, efile, verbose=True):\n+    retrieve(self, rdate, state, download=True):\n+\n+    match_column(self, varname):\n+    get_var(self, varname, loc=None, daterange=None, unitid=-99, verbose=True):\n+    retrieve(self, rdate, state, download=True):\n+    create_location_dictionary(self):\n+    rename(self, ccc, newname, rcolumn, verbose):\n+    \"\"\"\n+\n+    def __init__(self):\n+        self.efile = None\n+        self.url = \"ftp://newftp.epa.gov/DmDnLoad/emissions/\"\n+        self.lb2kg = 0.453592  # number of kilograms per pound.\n+        self.info = \"Data from continuous emission monitoring systems (CEMS)\\n\"\n+        self.info += self.url + '\\n'\n+        self.df = pd.DataFrame()\n+        self.namehash = {\n+        }  # if columns are renamed keeps track of original names.\n+        # Each facility may have more than one unit which is specified by the\n+        # unit id.\n+\n+    def __str__(self):\n+        return self.info\n+\n+    def add_data(self, rdate, states=['md'], download=False, verbose=True):\n+        \"\"\"\n+           gets the ftp url from the retrieve method and then\n+           loads the data from the ftp site using the load method.\n+\n+        Parameters\n+        ----------\n+        rdate : single datetime object of list of datetime objects\n+               The first datetime object indicates the month and year of the\n+               first file to retrieve.\n+               The second datetime object indicates the month and year of the\n+               last file to retrieve.\n+        states : list of strings\n+             list of two letter state identifications.\n+        download : boolean\n+               if download=True then retrieve will download the files and load\n+               will read the downloaded files.\n+               if download=False then retrieve will return the url and load\n+               will read directly from ftp site.\n+        verbose : boolean\n+               if TRUE prints out additional information.\n+        Returns\n+        -------\n+        boolean True\n+\n+        \"\"\"\n+        if isinstance(states, str):\n+            states = [states]\n+        if isinstance(rdate, list):\n+            r1 = rdate[0]\n+            r2 = rdate[1]\n+            rdatelist = [r1]\n+            done = False\n+            iii = 0\n+            while not done:\n+                r3 = addmonth(rdatelist[-1])\n+                if r3 <= r2:\n+                    rdatelist.append(r3)\n+                else:\n+                    done = True\n+                if iii > 100:\n+                    done = True\n+                iii += 1\n+        else:\n+            rdatelist = [rdate]\n+        for rd in rdatelist:\n+            print('getting data')\n+            print(rd)\n+            for st in states:\n+                url = self.retrieve(rd, st, download=download, verbose=verbose)\n+                self.load(url, verbose=verbose)\n+        return True\n+\n+    def match_column(self, varname):\n+        \"\"\"varname is list of strings.\n+           returns column name which contains all the strings.\n+        \"\"\"\n+        columns = list(self.df.columns.values)\n+        cmatch = None\n+        for ccc in columns:\n+            # print('-----'  + ccc + '------')\n+            # print( temp[ccc].unique())\n+            match = 0\n+            for vstr in varname:\n+                if vstr.lower() in ccc.lower():\n+                    match += 1\n+            if match == len(varname):\n+                cmatch = ccc\n+        return cmatch\n+\n+    def cemspivot(self, varname, daterange=None, unitid=False, verbose=True):\n+        \"\"\"\n+        Parameters\n+        ----------\n+        varname: string\n+            name of column in the cems dataframe\n+        daterange: list of two datetime objects\n+            define a date range\n+        unitid: boolean.\n+                 If True and unit id columns exist then these will be kept as\n+                 separate columns in the pivot table.\n+        verbose: boolean\n+                 if true print out extra information.\n+        Returns: pandas DataFrame object\n+            returns dataframe with rows time. Columns are (orispl_code,\n+            unit_id).\n+            If no unit_id in the file then columns are just orispl_code.\n+            if unitid flag set to False then sums over unit_id's that belong to\n+             an orispl_code. Values are from the column specified by the\n+             varname input.\n+        \"\"\"\n+\n+        from .obs_util import timefilter\n+        temp = self.df.copy()\n+        if daterange:\n+            temp = timefilter(temp, daterange)\n+        if 'unit_id' in temp.columns.values and unitid:\n+            if temp['unit_id'].unique():\n+                if verbose:\n+                    print('UNIT IDs ', temp['unit_id'].unique())\n+            # create pandas frame with index datetime and columns for value for\n+            # each unit_id,orispl\n+            pivot = pd.pivot_table(\n+                temp,\n+                values=varname,\n+                index=['time'],\n+                columns=['orispl_code', 'unit_id'],\n+                aggfunc=np.sum)\n+        else:\n+            if verbose:\n+                print('NO UNIT ID')\n+            # returns data frame where rows are date and columns are the values\n+            # of cmatch for orispl\n+            pivot = pd.pivot_table(\n+                temp,\n+                values=varname,\n+                index=['time'],\n+                columns=['orispl_code'],\n+                aggfunc=np.sum)\n+        return pivot\n+\n+    def get_var(self,\n+                varname,\n+                orisp=None,\n+                daterange=None,\n+                unitid=-99,\n+                verbose=True):\n+        \"\"\"\n+           returns time series with variable indicated by varname.\n+           returns data frame where rows are date and columns are the\n+           values of cmatch for each fac_id.\n+\n+           routine looks for column which contains all strings in varname.\n+           Currently not case sensitive.\n+\n+           loc and ORISPL CODES.\n+           unitid is a unit_id\n+\n+           if a particular unitid is specified then will return values for that\n+            unit.\n+\n+\n+        Parameters\n+        ----------\n+        varname : string or iteratable of strings\n+            varname may be string or list of strings.\n+        loc : type\n+            Description of parameter `loc`.\n+        daterange : type\n+            Description of parameter `daterange`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+        \"\"\"\n+        if unitid == -99:\n+            ui = False\n+        temp = self.cemspivot(varname, daterange, unitid=ui)\n+        if not ui:\n+            return temp[orisp]\n+        else:\n+            return temp[orisp, unitid]\n+\n+    def retrieve(self, rdate, state, download=True, verbose=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        rdate : datetime object\n+             Uses year and month. Day and hour are not used.\n+        state : string\n+            state abbreviation to retrieve data for\n+        download : boolean\n+            set to True to download\n+            if download FALSE then returns string with url of ftp\n+            if download TRUE then returns name of downloaded file\n+\n+        Returns\n+        -------\n+        efile string\n+            if download FALSE then returns string with url of ftp\n+            if download TRUE then returns name of downloaded file\n+        \"\"\"\n+        # import requests\n+        # TO DO: requests does not support ftp sites.\n+        efile = 'empty'\n+        ftpsite = self.url\n+        ftpsite += 'hourly/'\n+        ftpsite += 'monthly/'\n+        ftpsite += rdate.strftime(\"%Y\") + '/'\n+        print(ftpsite)\n+        print(rdate)\n+        print(state)\n+        fname = rdate.strftime(\"%Y\") + state + rdate.strftime(\"%m\") + '.zip'\n+        if not download:\n+            efile = ftpsite + fname\n+        if not os.path.isfile(fname):\n+            # print('retrieving ' + ftpsite + fname)\n+            # r = requests.get(ftpsite + fname)\n+            # open(efile, 'wb').write(r.content)\n+            # print('retrieved ' + ftpsite + fname)\n+            efile = ftpsite + fname\n+            print('WARNING: Downloading file not supported at this time')\n+            print('you may download manually using the following address')\n+            print(efile)\n+        else:\n+            print('file exists ' + fname)\n+            efile = fname\n+        self.info += 'File retrieved :' + efile + '\\n'\n+        return efile\n+\n+    def create_location_dictionary(self, verbose=False):\n+        \"\"\"\n+        returns dictionary withe key orispl_code and value  (latitude,\n+        longitude) tuple\n+        \"\"\"\n+        if 'latitude' in list(self.df.columns.values):\n+            dftemp = self.df.copy()\n+            pairs = zip(dftemp['orispl_code'],\n+                        zip(dftemp['latitude'], dftemp['longitude']))\n+            pairs = list(set(pairs))\n+            lhash = dict(pairs)  # key is facility id and value is name.\n+            if verbose:\n+                print(lhash)\n+            return lhash\n+        else:\n+            return False\n+\n+    def create_name_dictionary(self, verbose=False):\n+        \"\"\"\n+        returns dictionary withe key orispl_code and value facility name\n+        \"\"\"\n+        if 'latitude' in list(self.df.columns.values):\n+            dftemp = self.df.copy()\n+            pairs = zip(dftemp['orispl_code'], dftemp['facility_name'])\n+            pairs = list(set(pairs))\n+            lhash = dict(pairs)  # key is facility id and value is name.\n+            if verbose:\n+                print(lhash)\n+            return lhash\n+        else:\n+            return False\n+\n+    def columns_rename(self, columns, verbose=False):\n+        \"\"\"\n+        Maps columns with one name to a standard name\n+        Parameters:\n+        ----------\n+        columns: list of strings\n+\n+        Returns:\n+        --------\n+        rcolumn: list of strings\n+        \"\"\"\n+        rcolumn = []\n+        for ccc in columns:\n+            if 'facility' in ccc.lower() and 'name' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'facility_name', rcolumn, verbose)\n+            elif 'orispl' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'orispl_code', rcolumn, verbose)\n+            elif 'facility' in ccc.lower() and 'id' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'fac_id', rcolumn, verbose)\n+            elif 'so2' in ccc.lower() and ('lbs' in ccc.lower()\n+                                           or 'pounds' in ccc.lower()) and (\n+                                               'rate' not in ccc.lower()):\n+                rcolumn = self.rename(ccc, 'so2_lbs', rcolumn, verbose)\n+            elif 'nox' in ccc.lower() and ('lbs' in ccc.lower()\n+                                           or 'pounds' in ccc.lower()) and (\n+                                               'rate' not in ccc.lower()):\n+                rcolumn = self.rename(ccc, 'nox_lbs', rcolumn, verbose)\n+            elif 'co2' in ccc.lower() and ('short' in ccc.lower()\n+                                           and 'tons' in ccc.lower()):\n+                rcolumn = self.rename(ccc, 'co2_short_tons', rcolumn, verbose)\n+            elif 'date' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'date', rcolumn, verbose)\n+            elif 'hour' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'hour', rcolumn, verbose)\n+            elif 'lat' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'latitude', rcolumn, verbose)\n+            elif 'lon' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'longitude', rcolumn, verbose)\n+            elif 'state' in ccc.lower():\n+                rcolumn = self.rename(ccc, 'state_name', rcolumn, verbose)\n+            else:\n+                rcolumn.append(ccc.strip().lower())\n+        return rcolumn\n+\n+    def rename(self, ccc, newname, rcolumn, verbose):\n+        \"\"\"\n+        keeps track of original and new column names in the namehash attribute\n+        Parameters:\n+        ----------\n+        ccc: str\n+        newname: str\n+        rcolumn: list of str\n+        verbose: boolean\n+        Returns\n+        ------\n+        rcolumn: list of str\n+        \"\"\"\n+        # dictionary with key as the newname and value as the original name\n+        self.namehash[newname] = ccc\n+        rcolumn.append(newname)\n+        if verbose:\n+            print(ccc + ' to ' + newname)\n+        return rcolumn\n+\n+    def add_info(self, dftemp):\n+        \"\"\"\n+        -------------Load supplmental data-----------------------\n+        Add location (latitude longitude) and time UTC information to dataframe\n+         dftemp.\n+        cemsinfo.csv contains info on facility id, lat, lon, time offset from\n+         UTC.\n+        allows transformation from local time to UTC.\n+        If not all power stations are found in the cemsinfo.csv file,\n+        then Nan will be written in lat, lon and 'time' column.\n+\n+        Parameters\n+        ----------\n+        dftemp: pandas dataframe\n+\n+        Returns\n+        ----------\n+        dftemp: pandas dataframe\n+        \"\"\"\n+        basedir = os.path.abspath(os.path.dirname(__file__))[:-3]\n+        iname = os.path.join(basedir, 'data', 'cemsinfo.csv')\n+        # iname = os.path.join(basedir, 'data', 'cem_facility_loc.csv')\n+        method = 1\n+        # TO DO: Having trouble with pytest throwing an error when using the\n+        # apply on the dataframe.\n+        # runs ok, but pytest fails. Tried several differnt methods.\n+        if os.path.isfile(iname):\n+            sinfo = pd.read_csv(iname, sep=',', header=0)\n+            try:\n+                dftemp.drop(['latitude', 'longitude'], axis=1, inplace=True)\n+            except Exception:\n+                pass\n+            dfnew = pd.merge(\n+                dftemp,\n+                sinfo,\n+                how='left',\n+                left_on=['orispl_code'],\n+                right_on=['orispl_code'])\n+            # print('---------z-----------')\n+            # print(dfnew.columns.values)\n+            # remove stations which do not have a time offset.\n+            dfnew.dropna(axis=0, subset=['time_offset'], inplace=True)\n+            if method == 1:\n+                # this runs ok but fails pytest\n+                def i2o(x):\n+                    return datetime.timedelta(hours=x['time_offset'])\n+\n+                dfnew['time_offset'] = dfnew.apply(i2o, axis=1)\n+                dfnew['time'] = dfnew['time local'] + dfnew['time_offset']\n+            elif method == 2:\n+                # this runs ok but fails pytest\n+                def utc(x):\n+                    return pd.Timestamp(x['time local']) + datetime.timedelta(\n+                        hours=x['time_offset'])\n+\n+                dfnew['time'] = dfnew.apply(utc, axis=1)\n+            elif method == 3:\n+                # this runs ok but fails pytest\n+                def utc(x, y):\n+                    return x + datetime.timedelta(hours=y)\n+\n+                dfnew['time'] = dfnew.apply(\n+                    lambda row: utc(row['time local'], row['time_offset']),\n+                    axis=1)\n+            # remove the time_offset column.\n+            dfnew.drop(['time_offset'], axis=1, inplace=True)\n+            mlist = dftemp.columns.values.tolist()\n+            # merge the dataframes back together to include rows with no info\n+            # in the cemsinfo.csv\n+            dftemp = pd.merge(\n+                dftemp, dfnew, how='left', left_on=mlist, right_on=mlist)\n+        return dftemp\n+        # return dfnew\n+\n+    def load(self, efile, verbose=True):\n+        \"\"\"\n+        loads information found in efile into a pandas dataframe.\n+        Parameters\n+        ----------\n+        efile: string\n+             name of csv file to open or url of csv file.\n+        verbose: boolean\n+             if TRUE prints out information\n+        \"\"\"\n+\n+        # pandas read_csv can read either from a file or url.\n+        dftemp = pd.read_csv(efile, sep=',', index_col=False, header=0)\n+        columns = list(dftemp.columns.values)\n+        columns = self.columns_rename(columns, verbose)\n+        dftemp.columns = columns\n+        if verbose:\n+            print(columns)\n+        dfmt = get_date_fmt(dftemp['date'][0], verbose=verbose)\n+\n+        # create column with datetime information\n+        # from column with month-day-year and column with hour.\n+        dftime = dftemp.apply(lambda x:\n+                              pd.datetime.strptime(\"{0} {1}\".format(x['date'],\n+                                                                    x['hour']),\n+                                                   dfmt), axis=1)\n+        dftemp = pd.concat([dftime, dftemp], axis=1)\n+        dftemp.rename(columns={0: 'time local'}, inplace=True)\n+        dftemp.drop(['date', 'hour'], axis=1, inplace=True)\n+\n+        # -------------Load supplmental data-----------------------\n+        # contains info on facility id, lat, lon, time offset from UTC.\n+        # allows transformation from local time to UTC.\n+        dftemp = self.add_info(dftemp)\n+\n+        if ['year'] in columns:\n+            dftemp.drop(['year'], axis=1, inplace=True)\n+        if self.df.empty:\n+            self.df = dftemp\n+            if verbose:\n+                print('Initializing pandas dataframe. Loading ' + efile)\n+        else:\n+            self.df = self.df.append(dftemp)\n+            if verbose:\n+                print('Appending to pandas dataframe. Loading ' + efile)\n+        # if verbose: print(dftemp[0:10])\n+        return dftemp\ndiff --git a/monet/obs/crn_mod.py b/monet/obs/crn_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/crn_mod.py\n@@ -0,0 +1,477 @@\n+\"\"\"\n+Data is taken from the Climate Reference Network.  This is to expand validation\n+ of the NOAA ARL model validation leveraging inhouse datasets.\n+\n+    Data available at https://www.ncdc.noaa.gov/crn/qcdatasets.html\n+\n+    Here we use the hourly data.\n+\n+    Field#  Name                           Units\n+    ---------------------------------------------\n+       1    WBANNO                         XXXXX\n+       2    UTC_DATE                       YYYYMMDD\n+       3    UTC_TIME                       HHmm\n+       4    LST_DATE                       YYYYMMDD\n+       5    LST_TIME                       HHmm\n+       6    CRX_VN                         XXXXXX\n+       7    LONGITUDE                      Decimal_degrees\n+       8    LATITUDE                       Decimal_degrees\n+       9    T_CALC                         Celsius\n+       10   T_HR_AVG                       Celsius\n+       11   T_MAX                          Celsius\n+       12   T_MIN                          Celsius\n+       13   P_CALC                         mm\n+       14   SOLARAD                        W/m^2\n+       15   SOLARAD_FLAG                   X\n+       16   SOLARAD_MAX                    W/m^2\n+       17   SOLARAD_MAX_FLAG               X\n+       18   SOLARAD_MIN                    W/m^2\n+       19   SOLARAD_MIN_FLAG               X\n+       20   SUR_TEMP_TYPE                  X\n+       21   SUR_TEMP                       Celsius\n+       22   SUR_TEMP_FLAG                  X\n+       23   SUR_TEMP_MAX                   Celsius\n+       24   SUR_TEMP_MAX_FLAG              X\n+       25   SUR_TEMP_MIN                   Celsius\n+       26   SUR_TEMP_MIN_FLAG              X\n+       27   RH_HR_AVG                      %\n+       28   RH_HR_AVG_FLAG                 X\n+       29   SOIL_MOISTURE_5                m^3/m^3\n+       30   SOIL_MOISTURE_10               m^3/m^3\n+       31   SOIL_MOISTURE_20               m^3/m^3\n+       32   SOIL_MOISTURE_50               m^3/m^3\n+       33   SOIL_MOISTURE_100              m^3/m^3\n+       34   SOIL_TEMP_5                    Celsius\n+       35   SOIL_TEMP_10                   Celsius\n+       36   SOIL_TEMP_20                   Celsius\n+       37   SOIL_TEMP_50                   Celsius\n+       38   SOIL_TEMP_100                  Celsius\n+============================================\n+Daily Data\n+============================================\n+    Field#  Name                           Units\n+---------------------------------------------\n+   1    WBANNO                         XXXXX\n+   2    LST_DATE                       YYYYMMDD\n+   3    CRX_VN                         XXXXXX\n+   4    LONGITUDE                      Decimal_degrees\n+   5    LATITUDE                       Decimal_degrees\n+   6    T_DAILY_MAX                    Celsius\n+   7    T_DAILY_MIN                    Celsius\n+   8    T_DAILY_MEAN                   Celsius\n+   9    T_DAILY_AVG                    Celsius\n+   10   P_DAILY_CALC                   mm\n+   11   SOLARAD_DAILY                  MJ/m^2\n+   12   SUR_TEMP_DAILY_TYPE            X\n+   13   SUR_TEMP_DAILY_MAX             Celsius\n+   14   SUR_TEMP_DAILY_MIN             Celsius\n+   15   SUR_TEMP_DAILY_AVG             Celsius\n+   16   RH_DAILY_MAX                   %\n+   17   RH_DAILY_MIN                   %\n+   18   RH_DAILY_AVG                   %\n+   19   SOIL_MOISTURE_5_DAILY          m^3/m^3\n+   20   SOIL_MOISTURE_10_DAILY         m^3/m^3\n+   21   SOIL_MOISTURE_20_DAILY         m^3/m^3\n+   22   SOIL_MOISTURE_50_DAILY         m^3/m^3\n+   23   SOIL_MOISTURE_100_DAILY        m^3/m^3\n+   24   SOIL_TEMP_5_DAILY              Celsius\n+   25   SOIL_TEMP_10_DAILY             Celsius\n+   26   SOIL_TEMP_20_DAILY             Celsius\n+   27   SOIL_TEMP_50_DAILY             Celsius\n+   28   SOIL_TEMP_100_DAILY            Celsius\n+\n+===============================================\n+ SUB HOURLY\n+ ==============================================\n+ Field#  Name                           Units\n+---------------------------------------------\n+   1    WBANNO                         XXXXX\n+   2    UTC_DATE                       YYYYMMDD\n+   3    UTC_TIME                       HHmm\n+   4    LST_DATE                       YYYYMMDD\n+   5    LST_TIME                       HHmm\n+   6    CRX_VN                         XXXXXX\n+   7    LONGITUDE                      Decimal_degrees\n+   8    LATITUDE                       Decimal_degrees\n+   9    AIR_TEMPERATURE                Celsius\n+   10   PRECIPITATION                  mm\n+   11   SOLAR_RADIATION                W/m^2\n+   12   SR_FLAG                        X\n+   13   SURFACE_TEMPERATURE            Celsius\n+   14   ST_TYPE                        X\n+   15   ST_FLAG                        X\n+   16   RELATIVE_HUMIDITY              %\n+   17   RH_FLAG                        X\n+   18   SOIL_MOISTURE_5                m^3/m^3\n+   19   SOIL_TEMPERATURE_5             Celsius\n+   20   WETNESS                        Ohms\n+   21   WET_FLAG                       X\n+   22   WIND_1_5                       m/s\n+   23   WIND_FLAG                      X\n+\n+   \"\"\"\n+from __future__ import print_function\n+\n+import inspect\n+import os\n+from builtins import object, zip\n+\n+import pandas as pd\n+from future import standard_library\n+from numpy import array\n+\n+standard_library.install_aliases()\n+\n+\n+class crn(object):\n+    def __init__(self):\n+        self.dates = None\n+        self.daily = False\n+        self.ftp = None\n+        self.df = pd.DataFrame()\n+        self.se_states = array(\n+            ['AL', 'FL', 'GA', 'MS', 'NC', 'SC', 'TN', 'VA', 'WV'],\n+            dtype='|S14')\n+        self.ne_states = array(\n+            [\n+                'CT', 'DE', 'DC', 'ME', 'MD', 'MA', 'NH', 'NJ', 'NY', 'PA',\n+                'RI', 'VT'\n+            ],\n+            dtype='|S20')\n+        self.nc_states = array(\n+            ['IL', 'IN', 'IA', 'KY', 'MI', 'MN', 'MO', 'OH', 'WI'],\n+            dtype='|S9')\n+        self.sc_states = array(['AR', 'LA', 'OK', 'TX'], dtype='|S9')\n+        self.r_states = array(\n+            [\n+                'AZ', 'CO', 'ID', 'KS', 'MT', 'NE', 'NV', 'NM', 'ND', 'SD',\n+                'UT', 'WY'\n+            ],\n+            dtype='|S12')\n+        self.p_states = array(['CA', 'OR', 'WA'], dtype='|S10')\n+        self.objtype = 'CRN'\n+        self.monitor_file = inspect.getfile(\n+            self.__class__)[:-18] + 'data/stations.tsv'\n+        self.monitor_df = None\n+        self.baseurl = 'https://www1.ncdc.noaa.gov/pub/data/uscrn/products/'\n+        self.hcols = [\n+            'WBANNO', 'UTC_DATE', 'UTC_TIME', 'LST_DATE', 'LST_TIME', 'CRX_VN',\n+            'LONGITUDE', 'LATITUDE', 'T_CALC', 'T_AVG', 'T_MAX', 'T_MIN',\n+            'P_CALC', 'SOLARAD', 'SOLARAD_FLAG', 'SOLARAD_MAX',\n+            'SOLARAD_MAX_FLAG', 'SOLARAD_MIN', 'SOLARAD_MIN_FLAG',\n+            'SUR_TEMP_TYPE', 'SUR_TEMP', 'SUR_TEMP_FLAG', 'SUR_TEMP_MAX',\n+            'SUR_TEMP_MAX_FLAG', 'SUR_TEMP_MIN', 'SUR_TEMP_MIN_FLAG', 'RH_AVG',\n+            'RH_AVG_FLAG', 'SOIL_MOISTURE_5', 'SOIL_MOISTURE_10',\n+            'SOIL_MOISTURE_20', 'SOIL_MOISTURE_50', 'SOIL_MOISTURE_100',\n+            'SOIL_TEMP_5', 'SOIL_TEMP_10', 'SOIL_TEMP_20', 'SOIL_TEMP_50',\n+            'SOIL_TEMP_100'\n+        ]\n+        self.dcols = [\n+            'WBANNO', 'LST_DATE', 'CRX_VN', 'LONGITUDE', 'LATITUDE', 'T_MAX',\n+            'T_MIN', 'T_MEAN', 'T_AVG', 'P_CALC', 'SOLARAD', 'SUR_TEMP_TYPE',\n+            'SUR_TEMP_MAX', 'SUR_TEMP_MAX', 'SUR_TEMP_MIN', 'SUR_TEMP_AVG',\n+            'RH_MAX', 'RH_MIN', 'RH_AVG', 'SOIL_MOISTURE_5',\n+            'SOIL_MOISTURE_10', 'SOIL_MOISTURE_20', 'SOIL_MOISTURE_50',\n+            'SOIL_MOISTURE_100', 'SOIL_TEMP_5', 'SOIL_TEMP_10', 'SOIL_TEMP_20',\n+            'SOIL_TEMP_50', 'SOIL_TEMP_100'\n+        ]\n+        self.shcols = [\n+            'WBANNO', 'UTC_DATE', 'UTC_TIME', 'LST_DATE', 'LST_TIME', 'CRX_VN',\n+            'LONGITUDE', 'LATITUDE', 'T_MEAN', 'P_CALC', 'SOLARAD',\n+            'SOLARAD_FLAG', 'SUR_TEMP_AVG', 'SUR_TEMP_TYPE', 'SUR_TEMP_FLAG',\n+            'RH_AVG', 'RH_FLAG', 'SOIL_MOISTURE_5', 'SOIL_TEMP_5', 'WETNESS',\n+            'WET_FLAG', 'WIND', 'WIND_FLAG'\n+        ]\n+        self.citiation = 'Diamond, H. J., T. R. Karl, M. A. Palecki, C. B. Baker, J. E. Bell, R. D. Leeper, D. R. Easterling, J. H. '\n+        ' Lawrimore, T. P. Meyers, M. R. Helfert, G. Goodge, and P. W. Thorne,'\n+        ' 2013: U.S. Climate Reference Network after one decade of operations:'\n+        ' status and assessment. Bull. Amer. Meteor. Soc., 94, 489-498. '\n+        'doi: 10.1175/BAMS-D-12-00170.1'\n+        self.citation2 = 'Bell, J. E., M. A. Palecki, C. B. Baker, W. G. '\n+        'Collins, J. H. Lawrimore, R. D. Leeper, M. E. Hall, J. Kochendorfer, '\n+        'T. P. Meyers, T. Wilson, and H. J. Diamond. 2013: U.S. Climate '\n+        'Reference Network soil moisture and temperature observations. J. '\n+        'Hydrometeorol., 14, 977-988. doi: 10.1175/JHM-D-12-0146.1'\n+\n+    def load_file(self, url):\n+        nanvals = [-99999, -9999.0]\n+        if 'CRND0103' in url:\n+            cols = self.dcols\n+            df = pd.read_csv(\n+                url,\n+                delim_whitespace=True,\n+                names=cols,\n+                parse_dates={'time_local': [1]},\n+                infer_datetime_format=True,\n+                na_values=nanvals)\n+            self.daily = True\n+        elif 'CRNS0101' in url:\n+            cols = self.shcols\n+            df = pd.read_csv(\n+                url,\n+                delim_whitespace=True,\n+                names=cols,\n+                parse_dates={\n+                    'time': ['UTC_DATE', 'UTC_TIME'],\n+                    'time_local': ['LST_DATE', 'LST_TIME']\n+                },\n+                infer_datetime_format=True,\n+                na_values=nanvals)\n+        else:\n+            cols = self.hcols\n+            df = pd.read_csv(\n+                url,\n+                delim_whitespace=True,\n+                names=cols,\n+                parse_dates={\n+                    'time': ['UTC_DATE', 'UTC_TIME'],\n+                    'time_local': ['LST_DATE', 'LST_TIME']\n+                },\n+                infer_datetime_format=True,\n+                na_values=nanvals)\n+        return df\n+\n+    def build_url(self,\n+                  year,\n+                  state,\n+                  site,\n+                  vector,\n+                  daily=False,\n+                  sub_hourly=False):\n+        if daily:\n+            beginning = self.baseurl + 'daily01/' + year + '/'\n+            fname = 'CRND0103-'\n+        elif sub_hourly:\n+            beginning = self.baseurl + 'subhourly01/' + year + '/'\n+            fname = 'CRNS0101-05-'\n+        else:\n+            beginning = self.baseurl + 'hourly02/' + year + '/'\n+            fname = 'CRNH0203-'\n+        rest = year + '-' + state + '_' + site + '_' + vector + '.txt'\n+        url = beginning + fname + rest\n+        fname = fname + rest\n+        return url, fname\n+\n+    @staticmethod\n+    def check_url(url):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        url : type\n+            Description of parameter `url`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import requests\n+        if requests.head(url).status_code < 400:\n+            return True\n+        else:\n+            return False\n+\n+    def build_urls(self, monitors, dates, daily=False, sub_hourly=False):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        monitors : type\n+            Description of parameter `monitors`.\n+        dates : type\n+            Description of parameter `dates`.\n+        daily : type\n+            Description of parameter `daily` (the default is False).\n+        sub_hourly : type\n+            Description of parameter `sub_hourly` (the default is False).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        print('Building and checking urls...')\n+        years = pd.DatetimeIndex(dates).year.unique().astype(str)\n+        urls = []\n+        fnames = []\n+        for i in monitors.index:\n+            for y in years:\n+                state = monitors.iloc[i].STATE\n+                site = monitors.iloc[i].LOCATION.replace(' ', '_')\n+                vector = monitors.iloc[i].VECTOR.replace(' ', '_')\n+                url, fname = self.build_url(\n+                    y, state, site, vector, daily=daily, sub_hourly=sub_hourly)\n+                if self.check_url(url):\n+                    urls.append(url)\n+                    fnames.append(fname)\n+                    print(url)\n+        return urls, fnames\n+\n+    def retrieve(self, url, fname):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        url : type\n+            Description of parameter `url`.\n+        fname : type\n+            Description of parameter `fname`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        \"\"\"rdate - datetime object. Uses year and month. Day and hour are not used.\n+           state - state abbreviation to retrieve data for\n+           Files are by year month and state.\n+        \"\"\"\n+        import wget\n+\n+        if not os.path.isfile(fname):\n+            print('Retrieving: ' + fname)\n+            print(url)\n+            print('\\n')\n+            wget.download(url)\n+        else:\n+            print('File Exists: ' + fname)\n+\n+    def add_data(self,\n+                 dates,\n+                 daily=False,\n+                 sub_hourly=False,\n+                 download=False,\n+                 latlonbox=None):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        dates : type\n+            Description of parameter `dates`.\n+        daily : type\n+            Description of parameter `daily` (the default is False).\n+        sub_hourly : type\n+            Description of parameter `sub_hourly` (the default is False).\n+        download : type\n+            Description of parameter `download` (the default is False).\n+        latlonbox : type\n+            Description of parameter `latlonbox` (the default is None).\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        import dask\n+        import dask.dataframe as dd\n+        if self.monitor_df is None:\n+            self.get_monitor_df()\n+        if latlonbox is not None:  # get them all[latmin,lonmin,latmax,lonmax]\n+            mdf = self.monitor_df\n+            con = (mdf.LATITUDE >=\n+                   latlonbox[0]) & (mdf.LATITUDE <= latlonbox[2]) & (\n+                       mdf.LONGITUDE >= latlonbox[1]) & (mdf.LONGITUDE <=\n+                                                         latlonbox[3])\n+            monitors = mdf.loc[con].copy()\n+        else:\n+            monitors = self.monitor_df.copy()\n+        urls, fnames = self.build_urls(\n+            monitors, dates, daily=daily, sub_hourly=sub_hourly)\n+        if download:\n+            for url, fname in zip(urls, fnames):\n+                self.retrieve(url, fname)\n+            dfs = [dask.delayed(self.load_file)(i) for i in fnames]\n+        else:\n+            dfs = [dask.delayed(self.load_file)(i) for i in urls]\n+        dff = dd.from_delayed(dfs)\n+        self.df = dff.compute()\n+        self.df = pd.merge(\n+            self.df,\n+            monitors,\n+            how='left',\n+            on=['WBANNO', 'LATITUDE', 'LONGITUDE'])\n+        if ~self.df.columns.isin(['time']).max():\n+            self.df['time'] = self.df.time_local + pd.to_timedelta(\n+                self.df.GMT_OFFSET, unit='H')\n+        id_vars = self.monitor_df.columns.append(\n+            pd.Index(['time', 'time_local']))\n+        keys = self.df.columns[self.df.columns.isin(id_vars)]\n+        self.df = pd.melt(\n+            self.df, id_vars=keys, var_name='variable',\n+            value_name='obs')  # this stacks columns to be inline with MONET\n+        self.df.rename(columns={'WBANNO': 'siteid'}, inplace=True)\n+        self.change_units()\n+        self.df.columns = [i.lower() for i in self.df.columns]\n+\n+    def change_units(self):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        df : type\n+            Description of parameter `df`.\n+        param : type\n+            Description of parameter `param` (the default is 'O3').\n+        aqs_param : type\n+            Description of parameter `aqs_param` (the default is 'OZONE').\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        self.df['units'] = ''\n+        for i in self.df.variable.unique():\n+            if self.daily and i is 'SOLARAD':\n+                self.df.loc[self.df.variable == i, 'units'] = 'MJ/m^2'\n+            elif 'T_' in i:\n+                self.df.loc[self.df.variable == i, 'units'] = 'K'\n+                self.df.loc[self.df.variable == i, 'obs'] += 273.15\n+            elif 'FLAG' in i or 'TYPE' in i:\n+                pass\n+            elif 'TEMP' in i:\n+                self.df.loc[self.df.variable == i, 'units'] = 'K'\n+                self.df.loc[self.df.variable == i, 'obs'] += 273.15\n+            elif 'MOISTURE' in i:\n+                self.df.loc[self.df.variable == i, 'units'] = 'm^3/m^3'\n+            elif 'RH' in i:\n+                self.df.loc[self.df.variable == i, 'units'] = '%'\n+            elif 'P_CALC' is i:\n+                self.df.loc[self.df.variable == i, 'units'] = 'mm'\n+\n+    def set_daterange(self, begin='', end=''):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        begin : type\n+            Description of parameter `begin` (the default is '').\n+        end : type\n+            Description of parameter `end` (the default is '').\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        dates = pd.date_range(\n+            start=begin, end=end, freq='H').values.astype('M8[s]').astype('O')\n+        self.dates = dates\n+\n+    def get_monitor_df(self):\n+        \"\"\"Short summary.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        self.monitor_df = pd.read_csv(self.monitor_file, delimiter='\\t')\ndiff --git a/monet/obs/epa_util.py b/monet/obs/epa_util.py\n--- a/monet/obs/epa_util.py\n+++ b/monet/obs/epa_util.py\n@@ -1,9 +1,47 @@\n from __future__ import print_function\n-\n+from ..util import mystats\n from future import standard_library\n+import pandas as pd\n \n standard_library.install_aliases()\n \n+def convert_epa_unit(df, obscolumn='SO2', unit='UG/M3'):\n+    \"\"\"\n+    converts ppb to ug/m3 for SO2 in aqs and airnow datasets\n+    See 40 CFR Part 50.5, Appendix A-1 to part 50, appendix A=2 to Part 50.\n+    to convert from ppb to ug/m3 multiply by 2.6178.\n+\n+    Also will convert from ug/m3 to ppb.\n+\n+    Parameters\n+    ----------\n+    df : pandas dataframe\n+         self.df attribute from aqs or airnow class.\n+    obscolumn : string\n+        name of column with SO2 data in it.\n+    unit : string\n+        either 'UG/M3' or 'PPB' (not case sensitive)\n+        will convert data to this unit.\n+    inplace : boolean\n+        if TRUE then changes self.df attribute\n+\n+    Returns\n+    -------\n+    df : pandas dataframe\n+        returns dataframe identical to original but with data converted to new\n+        unit.\n+    \"\"\"\n+    factor = 2.6178\n+    ppb = 'ppb'\n+    ugm3 = 'ug/m3'\n+    if unit.lower() == ugm3:\n+        df = df[df['units'] == ppb]  # find columns with units of 'ppb'\n+        df['units'] = unit.upper()\n+        df[obscolumn] = df[obscolumn] * factor\n+    elif unit.lower() == ppb:\n+        df = df[df['units'] == ugm3]  # find columns with units of 'ppb'\n+        df[obscolumn] = df[obscolumn] / factor\n+    return df\n \n def check_cmaq_units(df, param='O3', aqs_param='OZONE'):\n     \"\"\"Short summary.\n@@ -23,7 +61,8 @@ def check_cmaq_units(df, param='O3', aqs_param='OZONE'):\n         Description of returned object.\n \n     \"\"\"\n-    aunit = df[df.Species == aqs_param].Units.unique()[0]\n+    aunit = df[df.variable == aqs_param].Units.unique()[0]\n+\n     if aunit == 'UG/M3':\n         fac = 1.\n     elif aunit == 'PPB':\n@@ -61,13 +100,23 @@ def ensure_values_indomain(df, lon, lat):\n         Description of returned object.\n \n     \"\"\"\n-    con = ((df.Latitude.values > lat.min()) & (df.Latitude.values < lat.max()) & (\n-            df.Longitude.values > lon.min()) & (df.Longitude.values < lon.max()))\n+    con = ((df.Latitude.values > lat.min()) &\n+           (df.Latitude.values < lat.max()) &\n+           (df.Longitude.values > lon.min()) &\n+           (df.Longitude.values < lon.max()))\n+\n     df = df[con].copy()\n     return df\n \n \n-def write_table(self, df=None, param='OZONE', fname='table', threasholds=[70, 1e5], site=None, city=None,\n+\n+def write_table(self,\n+                df=None,\n+                param='OZONE',\n+                fname='table',\n+                threasholds=[70, 1e5],\n+                site=None,\n+                city=None,\n                 region=None,\n                 state=None,\n                 append=False,\n@@ -113,32 +162,36 @@ def write_table(self, df=None, param='OZONE', fname='table', threasholds=[70, 1e\n     if df is None:\n         print('Please provide a DataFrame')\n     else:\n-        df = df.groupby('Species').get_group(param)\n+        df = df.groupby('variable').get_group(param)\n         if not isinstance(site, type(None)):\n             try:\n-                df = df.groupby('SCS').get_group(site)\n+                df = df.groupby('siteid').get_group(site)\n                 single = True\n                 name = site\n             except KeyError:\n-                print('Site Number not valid.  Enter a valid SCS')\n+                print('Site Number not valid.  Enter a valid siteid')\n                 return\n         elif not isinstance(city, type(None)):\n             try:\n                 single = True\n-                names = df.get_group('MSA_Name').dropna().unique()\n+                names = df.get_group('msa_name').dropna().unique()\n                 name = [j for j in names if city.upper() in j.upper()]\n-                df = df.groupby('Species').get_group(param).groupby('MSA_Name').get_group(name[0])\n+                df = df.groupby('variable').get_group(param).groupby(\n+                    'MSA_name').get_group(name[0])\n                 single = True\n             except KeyError:\n                 print(' City either does not contain montiors for ' + param)\n-                print('     or City Name is not valid.  Enter a valid City name: df.MSA_Name.unique()')\n+                print(\n+                    '    or City Name is not valid.  Enter a valid City name: '\n+                    'df.msa_name.unique()')\n                 return\n         elif not isinstance(state, type(None)):\n             try:\n                 single = True\n-                names = df.get_group('State_Name').dropna().unique()\n+                names = df.get_group('State_name').dropna().unique()\n                 name = [j for j in names if state.upper() in j.upper()]\n-                df = df.groupby('Species').get_group(param).groupby('State_Name').get_group(name[0])\n+                df = df.groupby('variable').get_group(param).groupby(\n+                    'state_name').get_group(name[0])\n             except KeyError:\n                 print('State not valid. Please enter valid 2 digit state')\n                 return\n@@ -172,9 +225,17 @@ def write_table(self, df=None, param='OZONE', fname='table', threasholds=[70, 1e\n                 except KeyError:\n                     pass\n         pd.options.display.float_format = '{:,.3f}'.format\n-        stats = ['Region', 'Label', 'N', 'Obs', 'Mod', 'MB', 'NMB', 'RMSE', 'R', 'IOA', 'POD', 'FAR']\n+        stats = [\n+            'Region', 'Label', 'N', 'Obs', 'Mod', 'MB', 'NMB', 'RMSE', 'R',\n+            'IOA', 'POD', 'FAR'\n+        ]\n         if append:\n-            dff = pd.read_csv(fname + '.txt', skiprows=3, index_col=0, sep='\\s+', names=stats)\n+            dff = pd.read_csv(\n+                fname + '.txt',\n+                skiprows=3,\n+                index_col=0,\n+                sep='\\s+',\n+                names=stats)\n             dd = pd.concat([dd, dff]).sort_values(by=['Region'])\n \n         out = StringIO()\n@@ -182,9 +243,11 @@ def write_table(self, df=None, param='OZONE', fname='table', threasholds=[70, 1e\n         out.seek(0)\n         with open(fname + '.txt', 'w') as f:\n             if single:\n-                f.write('This is the statistics table for parameter=' + param + ' for area ' + name + '\\n')\n+                f.write('This is the statistics table for parameter=' + param +\n+                        ' for area ' + name + '\\n')\n             else:\n-                f.write('This is the statistics table for parameter=' + param + '\\n')\n+                f.write('This is the statistics table for parameter=' + param +\n+                        '\\n')\n             f.write('\\n')\n             f.writelines(out.readlines())\n         if html:\n@@ -201,7 +264,9 @@ def write_table(self, df=None, param='OZONE', fname='table', threasholds=[70, 1e\n             lines = cssstyle.split('\\n')\n             with open(fname + '.html', 'r') as f:\n                 for line in f.readlines():\n-                    lines.append(line.replace('class=\"dataframe\"', 'class=\"GenericTable hoverTable\"'))\n+                    lines.append(\n+                        line.replace('class=\"dataframe\"',\n+                                     'class=\"GenericTable hoverTable\"'))\n             f.close()\n             with open(fname + '.html', 'w') as f:\n                 for line in lines:\n@@ -227,10 +292,14 @@ def get_region(df):\n     from numpy import array, concatenate\n     from pandas import DataFrame, merge\n     se = array(['AL', 'FL', 'GA', 'MS', 'NC', 'SC', 'TN', 'VA', 'WV'])\n-    ne = array(['CT', 'DE', 'DC', 'ME', 'MD', 'MA', 'NH', 'NJ', 'NY', 'PA', 'RI', 'VT'])\n+    ne = array([\n+        'CT', 'DE', 'DC', 'ME', 'MD', 'MA', 'NH', 'NJ', 'NY', 'PA', 'RI', 'VT'\n+    ])\n     nc = array(['IL', 'IN', 'IA', 'KY', 'MI', 'MN', 'MO', 'OH', 'WI'])\n     sc = array(['AR', 'LA', 'OK', 'TX'])\n-    r = array(['AZ', 'CO', 'ID', 'KS', 'MT', 'NE', 'NV', 'NM', 'ND', 'SD', 'UT', 'WY'])\n+    r = array([\n+        'AZ', 'CO', 'ID', 'KS', 'MT', 'NE', 'NV', 'NM', 'ND', 'SD', 'UT', 'WY'\n+    ])\n     p = array(['CA', 'OR', 'WA'])\n     ner = array(['Northeast' for i in ne])\n     ser = array(['Southeast' for i in se])\n@@ -240,11 +309,17 @@ def get_region(df):\n     pr = array(['Pacific' for i in p])\n     states = concatenate([se, ne, nc, sc, r, p])\n     region = concatenate([ser, ner, ncr, scr, rr, pr])\n-    dd = DataFrame({'State_Name': states, 'Region': region})\n-    return merge(df, dd, how='left', on='State_Name')\n+    dd = DataFrame({'state_name': states, 'region': region})\n+    return merge(df, dd, how='left', on='state_name')\n \n \n-def get_epa_location_df(df, param, site='', city='', region='', epa_region='', state=''):\n+def get_epa_location_df(df,\n+                        param,\n+                        site='',\n+                        city='',\n+                        region='',\n+                        epa_region='',\n+                        state=''):\n     \"\"\"Short summary.\n \n     Parameters\n@@ -270,34 +345,266 @@ def get_epa_location_df(df, param, site='', city='', region='', epa_region='', s\n         Description of returned object.\n \n     \"\"\"\n-    cityname = True\n-    if 'MSA_Name' in df.columns:\n-        cityname = True\n-    else:\n-        cityname = False\n-    new = df.groupby('Species').get_group(param)\n+    new = df.groupby('variable').get_group(param)\n     if site != '':\n-        if site in new.SCS.unique():\n-            df2 = new.loc[new.SCS == site]\n-            title = df2.SCS.unique().astype('str')[0].zfill(9)\n+        if site in new.siteid.unique():\n+            df2 = new.loc[new.siteid == site]\n+            title = df2.siteid.unique().astype('str')[0].zfill(9)\n     elif city != '':\n-        names = df.MSA_Name.dropna().unique()\n+        names = df.msa_name.dropna().unique()\n         for i in names:\n             if i.upper().find(city.upper()) != -1:\n                 name = i\n                 print(name)\n-        df2 = new[new['MSA_Name'] == name].copy().drop_duplicates()\n+        df2 = new[new['msa_name'] == name].copy().drop_duplicates()\n         title = name\n     elif state != '':\n-        df2 = new[new['State_Name'].str.upper() == state.upper()].copy().drop_duplicates()\n+        df2 = new[new['state_name'].str.upper() ==\n+                  state.upper()].copy().drop_duplicates()\n         title = 'STATE: ' + state.upper()\n     elif region != '':\n-        df2 = new[new['Region'].str.upper() == region.upper()].copy().drop_duplicates()\n+        df2 = new[new['Region'].str.upper() ==\n+                  region.upper()].copy().drop_duplicates()\n         title = 'REGION: ' + region.upper()\n     elif epa_region != '':\n-        df2 = new[new['EPA_region'].str.upper() == epa_region.upper()].copy().drop_duplicates()\n+        df2 = new[new['EPA_region'].str.upper() ==\n+                  epa_region.upper()].copy().drop_duplicates()\n         title = 'EPA_REGION: ' + epa_region.upper()\n     else:\n         df2 = new\n         title = 'Domain'\n     return df2, title\n+\n+def regulatory_resample(df, col='model', pollutant_standard=None):\n+    from pandas import to_timedelta, concat\n+    df['time_local'] = df.time + to_timedelta(df.gmt_offset, unit='H')\n+    if df.variable.unique()[0] == 'CO':\n+        df1 = calc_daily_max(df, rolling_frequency=1)\n+        df1['pollutant_standard'] = 'CO 1-hour 1971'\n+        df2 = calc_daily_max(df, rolling_frequency=8)\n+        df2['pollutant_standard'] = 'CO 8-hour 1971'\n+        dfreturn = concat([df1, df2], ignore_index=True)\n+    elif df.variable.unique()[0] == 'OZONE':\n+        dfreturn = calc_daily_max(df, rolling_frequency=8)\n+    elif df.variable.unique()[0] == 'SO2':\n+        df1 = calc_daily_max(df, rolling_frequency=1)\n+        df1['pollutant_standard'] = 'SO2 1-hour 1971'\n+        df2 = calc_daily_max(df, rolling_frequency=3)\n+        df2['pollutant_standard'] = 'SO2 8-hour 1971'\n+        dfreturn = concat([df1, df2], ignore_index=True)\n+    elif df.variable.unique()[0] == 'NO2':\n+        dfreturn = calc_daily_max(df, rolling_frequency=1)\n+    else:  # do daily average\n+        dfn = df.drop_duplicates(subset=['siteid'])\n+        df = df.groupby('siteid')[col].resample(\n+            'D').mean().reset_index().rename(columns={'level_1': 'time_local'})\n+        dfreturn = df.merge(dfn, how='left', on='siteid')\n+    return dfreturn\n+\n+\n+def calc_daily_max(df, param=None, rolling_frequency=8):\n+    from pandas import Index, to_timedelta\n+    if param is None:\n+        temp = df.copy()\n+    else:\n+        temp = df.groupby('variable').get_group(param)\n+    temp.index = temp.time_local\n+    if rolling_frequency > 1:\n+        g = temp.groupby('siteid')['model', 'gmt_offset'].rolling(\n+            rolling_frequency, center=True, win_type='boxcar').mean()\n+        q = g.reset_index(level=0)\n+        k = q.groupby('siteid').resample('D').max().reset_index(\n+            level=1).reset_index(drop='siteid').dropna()\n+    else:\n+        k = temp.groupby('siteid')['model', 'gmt_offset'].resample(\n+            'D').max().reset_index().rename({\n+                'level_1': 'time_local'\n+            })\n+    columnstomerge = temp.columns[~temp.columns.isin(k.columns) *\n+                                  (temp.columns != 'time')].append(\n+                                      Index(['siteid']))\n+    if param is None:\n+        dff = k.merge(\n+            df[columnstomerge], on='siteid',\n+            how='left').drop_duplicates(subset=['siteid', 'time_local'])\n+    else:\n+        dff = k.merge(\n+            df.groupby('variable').get_group(param)[columnstomerge],\n+            on='siteid',\n+            how='left').drop_duplicates(subset=['siteid', 'time_local'])\n+    dff['time'] = dff.time_local - to_timedelta(dff.gmt_offset, unit='H')\n+    return dff\n+\n+\n+def convert_statenames_to_abv(df):\n+    d = {\n+        'Alabama': 'AL',\n+        'Alaska': 'AK',\n+        'Arizona': 'AZ',\n+        'Arkansas': 'AR',\n+        'California': 'CA',\n+        'Colorado': 'CO',\n+        'Connecticut': 'CT',\n+        'Delaware': 'DE',\n+        'Florida': 'FL',\n+        'Georgia': 'GA',\n+        'Hawaii': 'HI',\n+        'Idaho': 'ID',\n+        'Illinois': 'IL',\n+        'Indiana': 'IN',\n+        'Iowa': 'IA',\n+        'Kansas': 'KS',\n+        'Kentucky': 'KY',\n+        'Louisiana': 'LA',\n+        'Maine': 'ME',\n+        'Maryland': 'MD',\n+        'Massachusetts': 'MA',\n+        'Michigan': 'MI',\n+        'Minnesota': 'MN',\n+        'Mississippi': 'MS',\n+        'Missouri': 'MO',\n+        'Montana': 'MT',\n+        'Nebraska': 'NE',\n+        'Nevada': 'NV',\n+        'New Hampshire': 'NH',\n+        'New Jersey': 'NJ',\n+        'New Mexico': 'NM',\n+        'New York': 'NY',\n+        'North Carolina': 'NC',\n+        'North Dakota': 'ND',\n+        'Ohio': 'OH',\n+        'Oklahoma': 'OK',\n+        'Oregon': 'OR',\n+        'Pennsylvania': 'PA',\n+        'Rhode Island': 'RI',\n+        'South Carolina': 'SC',\n+        'South Dakota': 'SD',\n+        'state': 'Postal',\n+        'Tennessee': 'TN',\n+        'Texas': 'TX',\n+        'Utah': 'UT',\n+        'Vermont': 'VT',\n+        'Virginia': 'VA',\n+        'Washington': 'WA',\n+        'West Virginia': 'WV',\n+        'Wisconsin': 'WI',\n+        'Wyoming': 'WY'\n+    }\n+    for i in d:\n+        df['state_name'].loc[df.state_name.isin([i])] = d[i]\n+    df['state_name'].loc[df.state_name.isin(['Canada'])] = 'CC'\n+    df['state_name'].loc[df.state_name.isin(['Mexico'])] = 'MM'\n+    return df\n+\n+\n+def read_monitor_file(network=None, airnow=False, drop_latlon=True):\n+    import pandas as pd\n+    import os\n+    if airnow:\n+        monitor_airnow_url = 'https://s3-us-west-1.amazonaws.com//files.airnowtech.org/airnow/today/monitoring_site_locations.dat'\n+        colsinuse = [\n+            0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,\n+            20, 21\n+        ]\n+        airnow = pd.read_csv(\n+            monitor_airnow_url,\n+            delimiter='|',\n+            header=None,\n+            usecols=colsinuse,\n+            dtype={0: str},\n+            encoding=\"ISO-8859-1\")\n+        airnow.columns = [\n+            'siteid', 'Site_Code', 'Site_Name', 'Status', 'Agency',\n+            'Agency_Name', 'EPA_region', 'latitude', 'longitude', 'Elevation',\n+            'GMT_Offset', 'Country_Code', 'CMSA_Code', 'CMSA_Name', 'MSA_Code',\n+            'MSA_Name', 'state_Code', 'state_Name', 'County_Code',\n+            'County_Name', 'City_Code'\n+        ]\n+        airnow['airnow_flag'] = 'AIRNOW'\n+        airnow.columns = [i.lower() for i in airnow.columns]\n+        return airnow\n+    else:\n+        try:\n+            basedir = os.path.abspath(os.path.dirname(__file__))[:-3]\n+            fname = os.path.join(basedir, 'data',\n+                                 'monitoring_site_locations.hdf')\n+            print('Monitor File Path: ' + fname)\n+            sss = pd.read_hdf(fname)\n+            # monitor_drop = ['state_code', u'county_code']\n+            # s.drop(monitor_drop, axis=1, inplace=True)\n+        except Exception:\n+            print('Monitor File Not Found... Reprocessing')\n+            baseurl = 'https://aqs.epa.gov/aqsweb/airdata/'\n+            site_url = baseurl + 'aqs_sites.zip'\n+            # has network info (CSN IMPROVE etc....)\n+            monitor_url = baseurl + 'aqs_monitors.zip'\n+            # Airnow monitor file\n+            monitor_airnow_url = 'https://s3-us-west-1.amazonaws.com//files.airnowtech.org/airnow/today/monitoring_site_locations.dat'\n+            colsinuse = [\n+                0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,\n+                19, 20, 21\n+            ]\n+            airnow = pd.read_csv(\n+                monitor_airnow_url,\n+                delimiter='|',\n+                header=None,\n+                usecols=colsinuse,\n+                dtype={0: str},\n+                encoding=\"ISO-8859-1\")\n+            airnow.columns = [\n+                'siteid', 'Site_Code', 'Site_Name', 'Status', 'Agency',\n+                'Agency_Name', 'EPA_region', 'latitude', 'longitude',\n+                'Elevation', 'GMT_Offset', 'Country_Code', 'CMSA_Code',\n+                'CMSA_Name', 'MSA_Code', 'MSA_Name', 'state_Code',\n+                'state_Name', 'County_Code', 'County_Name', 'City_Code'\n+            ]\n+            airnow['airnow_flag'] = 'AIRNOW'\n+            airnow.columns = [i.lower() for i in airnow.columns]\n+            # Read EPA Site file\n+            site = pd.read_csv(site_url, encoding='ISO-8859-1')\n+            # read epa monitor file\n+            monitor = pd.read_csv(monitor_url, encoding='ISO-8859-1')\n+            # make siteid column\n+            site['siteid'] = site['State Code'].astype(str).str.zfill(\n+                2) + site['County Code'].astype(str).str.zfill(\n+                    3) + site['Site Number'].astype(str).str.zfill(4)\n+            monitor['siteid'] = monitor['State Code'].astype(str).str.zfill(\n+                2) + monitor['County Code'].astype(str).str.zfill(\n+                    3) + monitor['Site Number'].astype(str).str.zfill(4)\n+            site.columns = [i.replace(' ', '_') for i in site.columns]\n+            s = monitor.merge(\n+                site[['siteid', 'Land_Use', 'Location_Setting', 'GMT_Offset']],\n+                on=['siteid'],\n+                how='left')\n+            s.columns = [i.replace(' ', '_').lower() for i in s.columns]\n+            monitor_drop = [\n+                'state_code', u'county_code', u'site_number',\n+                'extraction_date', 'parameter_code', 'parameter_name', 'poc',\n+                'last_sample_date', 'pqao', 'reporting_agency', 'exclusions',\n+                u'monitoring_objective', 'last_method_code', 'last_method',\n+                u'naaqs_primary_monitor', u'qa_primary_monitor'\n+            ]\n+            s.drop(monitor_drop, axis=1, inplace=True)\n+            # drop airnow keys for merge\n+            airnow_drop = [\n+                u'site_Code', u'site_Name', u'status', u'agency',\n+                'agency_name', 'country_code', u'cmsa_code', 'state_code',\n+                u'county_code', u'city_code', u'latitude', u'longitude',\n+                'gmt_offset', 'state_name', 'county_name'\n+            ]\n+            airnow_drop = [i.lower() for i in airnow_drop]\n+            airnow.drop(airnow_drop, axis=1, inplace=True)\n+            ss = pd.concat([s, airnow], ignore_index=True, sort=True)\n+            sss = convert_statenames_to_abv(ss).dropna(\n+                subset=['latitude', 'longitude'])\n+        if network is not None:\n+            sss = sss.loc[sss.networks.isin(\n+                [network])].drop_duplicates(subset=['siteid'])\n+        # Getting error that 'latitude' 'longitude' not contained in axis\n+        drop_latlon = False\n+        if drop_latlon:\n+            if pd.Series(sss.keys()).isin(['latitude', 'longitude']):\n+                return sss.drop(\n+                    ['latitude', 'longitude'], axis=1).drop_duplicates()\n+        else:\n+            return sss.drop_duplicates()\ndiff --git a/monet/obs/goes.py b/monet/obs/goes.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/goes.py\n@@ -0,0 +1,55 @@\n+\"\"\" this will read the modis data\"\"\"\n+import xarray as xr\n+from ..grids import _geos_16_grid\n+\n+\n+def _get_swath_from_fname(fname):\n+    vert_grid_num = fname.split('.')[-4].split('v')[-1]\n+    hori_grid_num = fname.split('.')[-4].split('v')[0].split('h')[-1]\n+    return hori_grid_num, vert_grid_num\n+\n+\n+def _get_time_from_fname(fname):\n+    import pandas as pd\n+    u = pd.Series([fname.split('.')[-2]])\n+    date = pd.to_datetime(u, format='%Y%j%H%M%S')[0]\n+    return date\n+\n+\n+def _open_single_file(fname):\n+    # open the file\n+    dset = xr.open_dataset(fname)\n+    dset = dset.rename({'t': 'time'})\n+    # get the area def\n+    area = _geos_16_grid(dset)\n+    dset.attrs['area'] = area\n+    # get proj4 string\n+    dset.attrs['proj4_srs'] = area.proj_str\n+    # get longitude and latitudes\n+    lon, lat = area.get_lonlats_dask()\n+    dset.coords['longitude'] = (('y', 'x'), lon)\n+    dset.coords['latitude'] = (('y', 'x'), lat)\n+\n+    for i in dset.variables:\n+        dset[i].attrs['proj4_srs'] = area.proj_str\n+        dset[i].attrs['area'] = area\n+\n+    # expand dimensions for time\n+    dset = dset.expand_dims('time')\n+    return dset\n+\n+\n+def open_files(fname):\n+\n+    if isinstance(fname, str):\n+        # single file\n+        dset = _open_single_file(fname)\n+    else:\n+        # loop over dsets and combine\n+        dsets = []\n+        for i in fname:\n+            dsets.append(_open_single_file(i))\n+\n+        dset = xr.auto_combine(dsets, concat_dim='time')\n+\n+    return dset\ndiff --git a/monet/obs/icartt.py b/monet/obs/icartt.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/icartt.py\n@@ -0,0 +1,29 @@\n+\"\"\" This module opens data from the ICARTT format and reformats it for use in\n+MONET. The module makes use of Barron Henderson's PseudoNetCDF\n+(https://github.com/barronh/pseudonetcdf)and xarray to read the data.  It is\n+noti ntended to read more than ONE file at a time \"\"\"\n+\n+import xarray as xr\n+from pandas import Series, Timestamp, to_timedelta\n+\n+possible_lats = [\n+    'Lat', 'Latitude', 'lat', 'latitude', 'Latitude_Deg', 'Latitude_deg',\n+    'Lat_deg', 'Lat_degree', 'Lat_Degree'\n+]\n+possible_lons = [\n+    'Lon', 'Longitude', 'lon', 'longitude', 'Longitude_Deg', 'Longitude_deg',\n+    'Lon_deg', 'Lon_degree', 'Lon_Degree', 'Long', 'Long_Deg'\n+]\n+\n+# TODO: def add_data(fname, time_label='UTC', lat_label=None, lon_label=None):\n+#     dset = xr.open_dataset(fname, engine='pseudonetcdf')\n+#     vars = Series(dset.variables)\n+#     if lat_label is None and lon_label is None:\n+#         if vars.isin(possible_lats).max():\n+#             latvar = vars.loc[vars.isin(possible_lats)][0]\n+#             lonvar = vars.loc[vars.isin(possible_lons)][0]\n+#             dset.coords['longitude'] = dset[lonvar]\n+#             dset.coords['latitude'] = dset[latvar]\n+#     # get the datetimes\n+#     start = dset.SDATE.replace(', ', '-')\n+#     time = Timestamp(start) + to_timedelta(dset[time_name])\ndiff --git a/monet/obs/improve_mod.py b/monet/obs/improve_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/improve_mod.py\n@@ -0,0 +1,176 @@\n+from __future__ import print_function\n+\n+from builtins import object\n+\n+import pandas as pd\n+from numpy import NaN\n+\n+\n+class IMPROVE(object):\n+    \"\"\"Short summary.\n+\n+    Attributes\n+    ----------\n+    datestr : type\n+        Description of attribute `datestr`.\n+    df : type\n+        Description of attribute `df`.\n+    daily : type\n+        Description of attribute `daily`.\n+    se_states : type\n+        Description of attribute `se_states`.\n+    ne_states : type\n+        Description of attribute `ne_states`.\n+    nc_states : type\n+        Description of attribute `nc_states`.\n+    sc_states : type\n+        Description of attribute `sc_states`.\n+    r_states : type\n+        Description of attribute `r_states`.\n+    p_states : type\n+        Description of attribute `p_states`.\n+\n+    \"\"\"\n+\n+    def __init__(self):\n+        self.datestr = []\n+        self.df = None\n+        self.daily = True\n+\n+    def add_data(self, fname, add_meta=False, delimiter='\\t'):\n+        \"\"\"     This assumes that you have downloaded the data from\n+                        http://views.cira.colostate.edu/fed/DataWizard/Default.aspx\n+                The data is the IMPROVE Aerosol dataset\n+                Any number of sites\n+                Parameters included are All\n+                Fields include Dataset,Site,Date,Parameter,POC,Data_value,Unit,\n+                Latitude,Longitude,State,EPA Site Code Options are delimited\n+                ',' data only and normalized skinny format\n+\n+        Parameters\n+        ----------\n+        fname : type\n+            Description of parameter `fname`.\n+        output : type\n+            Description of parameter `output` (the default is '').\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from .epa_util import read_monitor_file\n+        f = open(fname, 'r')\n+        lines = f.readlines()\n+        skiprows = 0\n+        skip = False\n+        for i, line in enumerate(lines):\n+            if line == 'Data\\n':\n+                skip = True\n+                skiprows = i + 1\n+                break\n+        # if meta data is inlcuded\n+        if skip:\n+            df = pd.read_csv(\n+                fname,\n+                delimiter=delimiter,\n+                parse_dates=[2],\n+                infer_datetime_format=True,\n+                dtype={'EPACode': str},\n+                skiprows=skiprows)\n+        else:\n+            df = pd.read_csv(\n+                fname,\n+                delimiter=delimiter,\n+                parse_dates=[2],\n+                infer_datetime_format=True,\n+                dtype={'EPACode': str})\n+        df.rename(columns={'EPACode': 'epaid'}, inplace=True)\n+        df.rename(columns={'Val': 'Obs'}, inplace=True)\n+        df.rename(columns={'State': 'state_name'}, inplace=True)\n+        df.rename(columns={'ParamCode': 'variable'}, inplace=True)\n+        df.rename(columns={'SiteCode': 'siteid'}, inplace=True)\n+        df.rename(columns={'Unit': 'Units'}, inplace=True)\n+        df.rename(columns={'Date': 'time'}, inplace=True)\n+        df.drop('Dataset', axis=1, inplace=True)\n+        df['time'] = pd.to_datetime(df.time, format='%Y%m%d')\n+        df.columns = [i.lower() for i in df.columns]\n+        if pd.Series(df.keys()).isin(['epaid']).max():\n+            df['epaid'] = df.epaid.astype(str).str.zfill(9)\n+        if add_meta:\n+            monitor_df = read_monitor_file(network='IMPROVE')  # .drop(\n+            # dropkeys, axis=1)\n+            df = df.merge(\n+                monitor_df, how='left', left_on='epaid', right_on='siteid')\n+            df.drop(['siteid_y', 'state_name_y'], inplace=True, axis=1)\n+            df.rename(\n+                columns={\n+                    'siteid_x': 'siteid',\n+                    'state_name_x': 'state_name'\n+                },\n+                inplace=True)\n+\n+        try:\n+            df.obs.loc[df.obs < df.mdl] = NaN\n+        except Exception:\n+            df.obs.loc[df.obs < -900] = NaN\n+        self.df = df\n+        return df.copy()\n+\n+    def load_hdf(self, fname, dates):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        fname : type\n+            Description of parameter `fname`.\n+        dates : type\n+            Description of parameter `dates`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        self.df = pd.read_hdf(fname)\n+        self.get_date_range(self.dates)\n+\n+    def get_date_range(self, dates):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        dates : type\n+            Description of parameter `dates`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        self.dates = dates\n+        con = (self.df.time >= dates[0]) & (self.df.time <= dates[-1])\n+        self.df = self.df.loc[con]\n+\n+    def set_daterange(self, begin='', end=''):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        begin : type\n+            Description of parameter `begin` (the default is '').\n+        end : type\n+            Description of parameter `end` (the default is '').\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        dates = pd.date_range(\n+            start=begin, end=end, freq='H').values.astype('M8[s]').astype('O')\n+        self.dates = dates\ndiff --git a/monet/obs/ish_mod.py b/monet/obs/ish_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/ish_mod.py\n@@ -0,0 +1,278 @@\n+\"\"\"Python module for reading NOAA ISH files\"\"\"\n+from __future__ import division, print_function\n+from builtins import object, zip\n+\n+import dask\n+import dask.dataframe as dd\n+import numpy as np\n+import pandas as pd\n+from dask.diagnostics import ProgressBar\n+from future import standard_library\n+from past.utils import old_div\n+\n+standard_library.install_aliases()\n+\n+ProgressBar().register()\n+\n+\n+class ISH(object):\n+    \"\"\"\n+    Integrated Surface Hourly (also known as ISD, Integrated Surface Data)\n+    \"\"\"\n+\n+    def __init__(self):\n+        self.WIDTHS = [\n+            4, 11, 8, 4, 1, 6, 7, 5, 5, 5, 4, 3, 1, 1, 4, 1, 5, 1, 1, 1, 6, 1,\n+            1, 1, 5, 1, 5, 1, 5, 1\n+        ]\n+        self.DTYPES = [('varlength', 'i2'), ('station_id',\n+                                             'S11'), ('date', 'i4'), ('htime',\n+                                                                      'i2'),\n+                       ('source_flag',\n+                        'S1'), ('latitude', 'float'), ('longitude', 'float'),\n+                       ('code', 'S5'), ('elev', 'i2'), ('call_letters', 'S5'),\n+                       ('qc_process',\n+                        'S4'), ('wdir', 'i2'), ('wdir_quality',\n+                                                'S1'), ('wdir_type',\n+                                                        'S1'), ('ws', 'i2'),\n+                       ('ws_quality',\n+                        'S1'), ('ceiling',\n+                                'i4'), ('ceiling_quality',\n+                                        'S1'), ('ceiling_code',\n+                                                'S1'), ('ceiling_cavok',\n+                                                        'S1'), ('vsb', 'i4'),\n+                       ('vsb_quality',\n+                        'S1'), ('vsb_variability',\n+                                'S1'), ('vsb_variability_quality',\n+                                        'S1'), ('t', 'i2'), ('t_quality',\n+                                                             'S1'),\n+                       ('dpt', 'i2'), ('dpt_quality',\n+                                       'S1'), ('p', 'i4'), ('p_quality', 'S1')]\n+        self.NAMES, _ = list(zip(*self.DTYPES))\n+        self.history_file = 'https://www1.ncdc.noaa.gov/pub/data/noaa/'\n+        'isd-history.csv'\n+        self.history = None\n+        self.daily = False\n+\n+    def delimit(self, file_object, delimiter=','):\n+        \"\"\"Iterate over the lines in a file yielding comma delimited versions.\n+\n+        Arguments\n+        ---------\n+        file_object : file or filename\n+\n+        \"\"\"\n+\n+        try:\n+            file_object = open(file_object)\n+        except TypeError:\n+            pass\n+\n+        for line in file_object:\n+            items = []\n+            index = 0\n+            for w in self.WIDTHS:\n+                items.append(line[index:index + w])\n+                index = index + w\n+            yield ','.join(items)\n+\n+    def _clean_column(self, series, missing=9999, multiplier=1):\n+        series = series.apply(float)\n+        series[series == missing] = np.nan\n+        return old_div(series, multiplier)\n+\n+    def _clean_column_by_name(self, frame, name, *args, **kwargs):\n+        frame[name] = self._clean_column(frame[name], *args, **kwargs)\n+        return frame\n+\n+    def _clean(self, frame):\n+        \"\"\"Clean up the data frame\"\"\"\n+\n+        # index by time\n+        frame['time'] = [\n+            pd.Timestamp('{:08}{:04}'.format(date, htime))\n+            for date, htime in zip(frame['date'], frame['htime'])\n+        ]\n+        # these fields were combined into 'time'\n+        frame.drop(['date', 'htime'], axis=1, inplace=True)\n+        frame.set_index('time', drop=True, inplace=True)\n+        frame = self._clean_column_by_name(frame, 'wdir', missing=999)\n+        frame = self._clean_column_by_name(frame, 'ws', multiplier=10)\n+        frame = self._clean_column_by_name(frame, 'ceiling', missing=99999)\n+        frame = self._clean_column_by_name(frame, 'vsb', missing=999999)\n+        frame = self._clean_column_by_name(frame, 't', multiplier=10)\n+        frame = self._clean_column_by_name(frame, 'dpt', multiplier=10)\n+        frame = self._clean_column_by_name(\n+            frame, 'p', multiplier=10, missing=99999)\n+        return frame\n+\n+    def read_data_frame(self, file_object):\n+        \"\"\"Create a data frame from an ISH file.\"\"\"\n+        frame_as_array = np.genfromtxt(\n+            file_object, delimiter=self.WIDTHS, dtype=self.DTYPES)\n+        frame = pd.DataFrame.from_records(frame_as_array)\n+        df = self._clean(frame)\n+        df.drop(['latitude', 'longitude'], axis=1, inplace=True)\n+        # df.latitude = self.history.groupby('station_id').get_group(\n+        #     df.station_id[0]).LAT.values[0]\n+        # df.longitude = self.history.groupby('station_id').get_group(\n+        #     df.station_id[0]).lon.values[0]\n+        # df['STATION_NAME'] = self.history.groupby('station_id').get_group(\n+        #     df.station_id[0])['STATION NAME'].str.strip().values[0]\n+        index = (df.index >= self.dates.min()) & (df.index <= self.dates.max())\n+\n+        return df.loc[index, :].reset_index()\n+\n+    def read_ish_history(self):\n+        \"\"\" read ISH history file \"\"\"\n+        fname = self.history_file\n+        self.history = pd.read_csv(\n+            fname, parse_dates=['BEGIN', 'END'], infer_datetime_format=True)\n+        self.history.columns = [i.lower() for i in self.history.columns]\n+\n+        index1 = (self.history.end >= self.dates.min()) & (self.history.begin\n+                                                           <= self.dates.max())\n+        self.history = self.history.loc[index1, :].dropna(\n+            subset=['lat', 'lon'])\n+\n+        self.history.loc[:, 'usaf'] = self.history.usaf.astype(\n+            'str').str.zfill(6)\n+        self.history.loc[:, 'wban'] = self.history.wban.astype(\n+            'str').str.zfill(5)\n+        self.history['station_id'] = self.history.usaf + self.history.wban\n+        self.history.rename(\n+            columns={\n+                'lat': 'latitude',\n+                'lon': 'longitude'\n+            }, inplace=True)\n+\n+    def subset_sites(self,\n+                     latmin=32.65,\n+                     lonmin=-113.3,\n+                     latmax=34.5,\n+                     lonmax=-110.4):\n+        \"\"\" find sites within designated region\"\"\"\n+        latindex = (self.history.latitude >= latmin) & (self.history.latitude\n+                                                        <= latmax)\n+        lonindex = (self.history.longitude >= lonmin) & (self.history.longitude\n+                                                         <= lonmax)\n+        dfloc = self.history.loc[latindex & lonindex, :]\n+        print('SUBSET')\n+        print(dfloc.latitude.unique())\n+        print(dfloc.longitude.unique())\n+        return dfloc\n+\n+    def add_data(self,\n+                 dates,\n+                 box=None,\n+                 country=None,\n+                 state=None,\n+                 site=None,\n+                 resample=True,\n+                 window='H'):\n+        \"\"\"\n+        dates : list of datetime objects\n+               description\n+        box : list of floats\n+             [latmin, lonmin, latmax, lonmax]\n+        country :\n+        state :\n+        site :\n+        resample : boolean\n+        window :\n+        \"\"\"\n+        from numpy import NaN\n+        self.dates = pd.to_datetime(dates)\n+        idate = dates[0]\n+        year = idate.strftime('%Y')\n+        url = 'https://www1.ncdc.noaa.gov/pub/data/noaa/' + year + '/'\n+        if self.history is None:\n+            self.read_ish_history()\n+        self.history['fname'] = url + self.history.usaf + \\\n+            '-' + self.history.wban + '-' + year + '.gz'\n+        dfloc = self.history.copy()\n+        # if isinstance(box, None):  # type(box) is not type(None):\n+        if box is not None:  # type(box) is not type(None):\n+            print('Retrieving Sites in: ' + ' '.join(map(str, box)))\n+            dfloc = self.subset_sites(\n+                latmin=box[0], lonmin=box[1], latmax=box[2], lonmax=box[3])\n+        elif country is not None:\n+            print('Retrieving Country: ' + country)\n+            dfloc = self.history.loc[self.history.ctry == country, :]\n+        elif state is not None:\n+            print('Retrieving State: ' + state)\n+            dfloc = self.history.loc[self.history.STATE == state, :]\n+        elif site is not None:\n+            print('Retrieving Site: ' + site)\n+            dfloc = self.history.loc[self.history.station_id == site, :]\n+        print(dfloc.fname.unique())\n+        objs = self.get_url_file_objs(dfloc.fname.unique())\n+        # return objs,size,self.history.fname\n+        # dfs = []\n+        # for f in objs:\n+        #     try:\n+        #         dfs.append(self.read_data_frame(f))\n+        #     except:\n+        #         pass\n+\n+        print('  Reading ISH into pandas DataFrame...')\n+        dfs = [dask.delayed(self.read_data_frame)(f) for f in objs]\n+        dff = dd.from_delayed(dfs)\n+        self.df = dff.compute()\n+        self.df.loc[self.df.vsb == 99999, 'vsb'] = NaN\n+        if resample:\n+            print('  Resampling to every ' + window)\n+            self.df.index = self.df.time\n+            self.df = self.df.groupby('station_id').resample(\n+                'H').mean().reset_index()\n+        # this was encoded as byte literal but in dfloc it is a string so could\n+        # not merge on station_id correctly.\n+        try:\n+            self.df['station_id'] = self.df['station_id'].str.decode(\"utf-8\")\n+        except RuntimeError:\n+            pass\n+        self.df = self.df.merge(\n+            dfloc[['station_id', 'latitude', 'longitude', 'station name']],\n+            on=['station_id'],\n+            how='left')\n+\n+        return self.df.copy()\n+\n+    def get_url_file_objs(self, fname):\n+        \"\"\"\n+\n+        \"\"\"\n+        import gzip\n+        import shutil\n+        import requests\n+        objs = []\n+        print('  Constructing ISH file objects from urls...')\n+        mmm = 0\n+        jjj = 0\n+        for iii in fname:\n+            #            print i\n+            try:\n+                r2 = requests.get(iii, stream=True)\n+                temp = iii.split('/')\n+                temp = temp[-1]\n+                fname = 'isd.' + temp.replace('.gz', '')\n+                if r2.status_code != 404:\n+                    objs.append(fname)\n+                    with open(fname, 'wb') as fid:\n+                        # TODO. currently shutil writes the file to the hard\n+                        # drive. try to find way around this step, so file does\n+                        # not need to be written and then read.\n+                        gzip_file = gzip.GzipFile(fileobj=r2.raw)\n+                        shutil.copyfileobj(gzip_file, fid)\n+                        print('SUCCEEDED REQUEST for ' + iii)\n+                else:\n+                    print('404 message ' + iii)\n+                mmm += 1\n+            except RuntimeError:\n+                jjj += 1\n+                print('REQUEST FAILED ' + iii)\n+                pass\n+            if jjj > 100:\n+                print('Over ' + str(jjj) + ' failed. break loop')\n+                break\n+        return objs\ndiff --git a/monet/obs/modis_swath.py b/monet/obs/modis_swath.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/modis_swath.py\n@@ -0,0 +1,36 @@\n+# MODIS Swath data\n+\"\"\" this will read the modis data\"\"\"\n+import xarray as xr\n+from ..grids import get_modis_latlon_from_swath_hv, get_sinu_area_def\n+\n+\n+def _get_swath_from_fname(fname):\n+    vert_grid_num = fname.split('.')[-4].split('v')[-1]\n+    hori_grid_num = fname.split('.')[-4].split('v')[0].split('h')[-1]\n+    return hori_grid_num, vert_grid_num\n+\n+\n+def _get_time_from_fname(fname):\n+    import pandas as pd\n+    u = pd.Series([fname.split('.')[-2]])\n+    date = pd.to_datetime(u, format='%Y%j%H%M%S')[0]\n+    return date\n+\n+\n+def open_single_file(fname):\n+    # first get the h,v from the file name\n+    h, v = _get_swath_from_fname(fname)\n+    # get the grid boundary\n+    timestamp = _get_time_from_fname(fname)\n+    # open the dataset\n+    dset = xr.open_dataset(fname)\n+    # rename  x and y dimensions\n+    dset = dset.rename({'XDim:MOD_Grid_BRDF': 'x', 'YDim:MOD_Grid_BRDF': 'y'})\n+    # get lat lon from dset and h, v\n+    dset = get_modis_latlon_from_swath_hv(h, v, dset)\n+    # get the area_def\n+    dset.attrs['area'] = get_sinu_area_def(dset)\n+    # set the time\n+    dset['time'] = timestamp\n+\n+    return dset\ndiff --git a/monet/obs/nadp_mod.py b/monet/obs/nadp_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/nadp_mod.py\n@@ -0,0 +1,186 @@\n+\"\"\" READS NAPD DATA \"\"\"\n+from __future__ import division, print_function\n+\n+from builtins import object\n+\n+import pandas as pd\n+from numpy import NaN\n+\n+\n+class NADP(object):\n+    def __init__(self):\n+        self.weekly = True\n+        self.network = None\n+        self.df = pd.DataFrame()\n+        self.objtype = 'NADP'\n+        self.url = None\n+\n+    def build_url(self, network='NTN', siteid=None):\n+        baseurl = 'http://nadp.slh.wisc.edu/datalib/'\n+        if siteid is not None:\n+            siteid = siteid.upper() + '-'\n+        else:\n+            siteid = ''\n+        if network.lower() == 'amnet':\n+            url = 'http://nadp.slh.wisc.edu/datalib/AMNet/AMNet-All.zip'\n+        elif network.lower() == 'amon':\n+            url = 'http://nadp.slh.wisc.edu/dataLib/AMoN/csv/all-ave.csv'\n+        elif network.lower() == 'airmon':\n+            url = 'http://nadp.slh.wisc.edu/datalib/AIRMoN/AIRMoN-ALL.csv'\n+        else:\n+            if self.weekly:\n+                url = baseurl + network.lower(\n+                ) + '/weekly/' + siteid + network.upper() + '-All-w.csv'\n+            else:\n+                url = baseurl + network.lower(\n+                ) + '/annual/' + siteid + network.upper() + '-All-a.csv'\n+        return url\n+\n+    def network_names(self):\n+        print('Available Networks: AMNET, NTN, MDN, AIRMON, AMON')\n+\n+    def read_ntn(self, url):\n+        print('Reading NADP-NTN Data...')\n+        print(url)\n+        # header = self.get_columns()\n+        df = pd.read_csv(url, infer_datetime_format=True, parse_dates=[2, 3])\n+        df.columns = [i.lower() for i in df.columns]\n+        df.rename(\n+            columns={\n+                'dateon': 'time',\n+                'dateoff': 'time_off'\n+            }, inplace=True)\n+        try:\n+            meta = pd.read_csv('https://bit.ly/2sPMvaO')\n+        except RuntimeError:\n+            meta = pd.read_csv(self.__path__ + '/../../data/ntn-sites.csv')\n+        meta.columns = [i.lower() for i in meta.columns]\n+        meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        dfn = pd.merge(df, meta, on='siteid', how='left')\n+        dfn.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        dfn.loc[(dfn.flagmg == '<') | (dfn.mg < 0), 'mg'] = NaN\n+        dfn.loc[(dfn.flagbr == '<') | (dfn.br < 0), 'br'] = NaN\n+        dfn.loc[(dfn.flagso4 == '<') | (dfn.so4 < 0), 'so4'] = NaN\n+        dfn.loc[(dfn.flagcl == '<') | (dfn.cl < 0), 'cl'] = NaN\n+        dfn.loc[(dfn.flagno3 == '<') | (dfn.no3 < 0), 'no3'] = NaN\n+        dfn.loc[(dfn.flagnh4 == '<') | (dfn.nh4 < 0), 'nh4'] = NaN\n+        dfn.loc[(dfn.flagk == '<') | (dfn.k < 0), 'k'] = NaN\n+        dfn.loc[(dfn.flagna == '<') | (dfn.na < 0), 'na'] = NaN\n+        dfn.loc[(dfn.flagca == '<') | (dfn.ca < 0), 'ca'] = NaN\n+        return dfn\n+\n+    def read_mdn(self, url):\n+        print('Reading NADP-MDN Data...')\n+        # header = self.get_columns()\n+        df = pd.read_csv(url, infer_datetime_format=True, parse_dates=[1, 2])\n+        df.columns = [i.lower() for i in df.columns]\n+        df.rename(\n+            columns={\n+                'dateon': 'time',\n+                'dateoff': 'time_off'\n+            }, inplace=True)\n+        try:\n+            meta = pd.read_csv('https://bit.ly/2Lq6kgq')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        except RuntimeError:\n+            meta = pd.read_csv(self.__path__ + '/../../data/mdn-sites.csv')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        meta.columns = [i.lower() for i in meta.columns]\n+        dfn = pd.merge(df, meta, on='siteid', how='left')\n+        dfn.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        dfn.loc[dfn.qr == 'C', ['rgppt', 'svol', 'subppt', 'hgconc', 'hgdep'\n+                                ]] = NaN\n+        return dfn\n+\n+    def read_airmon(self, url):\n+        print('Reading NADP-AIRMoN Data...')\n+        # header = self.get_columns()\n+        df = pd.read_csv(url, infer_datetime_format=True, parse_dates=[2, 3])\n+        df.columns = [i.lower() for i in df.columns]\n+        df.rename(\n+            columns={\n+                'dateon': 'time',\n+                'dateoff': 'time_off'\n+            }, inplace=True)\n+        try:\n+            meta = pd.read_csv('https://bit.ly/2xMlgTW')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        except RuntimeError:\n+            meta = pd.read_csv(self.__path__ + '/../../data/airmon-sites.csv')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        meta.columns = [i.lower() for i in meta.columns]\n+        dfn = pd.merge(df, meta, on='siteid', how='left')\n+        dfn.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        dfn.loc[dfn.qrcode == 'C', [\n+            'subppt', 'pptnws', 'pptbel', 'svol', 'ca', 'mg', 'k', 'na', 'nh4',\n+            'no3', 'cl', 'so4', 'po4', 'phlab', 'phfield', 'conduclab',\n+            'conducfield'\n+        ]] = NaN\n+        return dfn\n+\n+    def read_amon(self, url):\n+        print('Reading NADP-AMoN Data...')\n+        # header = self.get_columns()\n+        df = pd.read_csv(url, infer_datetime_format=True, parse_dates=[2, 3])\n+        df.columns = [i.lower() for i in df.columns]\n+        df.rename(\n+            columns={\n+                'startdate': 'time',\n+                'enddate': 'time_off'\n+            }, inplace=True)\n+        try:\n+            meta = pd.read_csv('https://bit.ly/2sJmkCg')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        except RuntimeError:\n+            meta = pd.read_csv(self.__path__ + '/../../data/amon-sites.csv')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        meta.columns = [i.lower() for i in meta.columns]\n+        dfn = pd.merge(df, meta, on='siteid', how='left')\n+        dfn.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        dfn.loc[dfn.qr == 'C', ['airvol', 'conc']] = NaN\n+        return dfn\n+\n+    def read_amnet(self, url):\n+        print('Reading NADP-AMNet Data...')\n+        # header = self.get_columns()\n+        df = pd.read_csv(url, infer_datetime_format=True, parse_dates=[2, 3])\n+        df.columns = [i.lower() for i in df.columns]\n+        df.rename(\n+            columns={\n+                'startdate': 'time',\n+                'enddate': 'time_off'\n+            }, inplace=True)\n+        try:\n+            meta = pd.read_csv('https://bit.ly/2sJmkCg')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        except RuntimeError:\n+            meta = pd.read_csv(self.__path__ + '/../../data/amnet-sites.csv')\n+            meta.drop(['startdate', 'stopdate'], axis=1, inplace=True)\n+        meta.columns = [i.lower() for i in meta.columns]\n+        dfn = pd.merge(df, meta, on='siteid', how='left')\n+        dfn.dropna(subset=['latitude', 'longitude'], inplace=True)\n+        dfn.loc[dfn.qr == 'C', ['airvol', 'conc']] = NaN\n+        return dfn\n+\n+    def add_data(self, dates, network='NTN', siteid=None, weekly=True):\n+        url = self.build_url(network=network, siteid=siteid)\n+        if network.lower() == 'ntn':\n+            df = self.read_ntn(url)\n+        elif network.lower() == 'mdn':\n+            df = self.read_mdn(url)\n+        elif network.lower() == 'amon':\n+            df = self.read_amon(url)\n+        elif network.lower() == 'airmon':\n+            df = self.read_airmon(url)\n+        else:\n+            df = self.read_amnet(url)\n+        self.df = df\n+        self.df = self.df.loc[(self.df.time >= dates.min())\n+                              & (self.df.time_off <= dates.max())]\n+\n+        return df\n+\n+    def set_daterange(self, begin='', end=''):\n+        dates = pd.date_range(start=begin, end=end, freq='H')\n+        self.dates = dates\n+        return dates\ndiff --git a/monet/obs/obs_util.py b/monet/obs/obs_util.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/obs_util.py\n@@ -0,0 +1,199 @@\n+\"\"\" Obs Utilities \"\"\"\n+\n+from __future__ import print_function\n+import numpy as np\n+import datetime\n+import sys\n+\n+\n+def find_near(df, latlon, distance=100, sid='site_num', drange=None):\n+    \"\"\"find all values in the df dataframe column sid which are within distance\n+    (km) of lat lon point. output dictionary with key as value in column sid\n+    and value tuple (latitude, longitude)\n+\n+     Parameters\n+     ----------\n+     latlon : tuple or list\n+              (longitude, latitude)\n+     distance : float\n+               kilometers\n+     sid: string\n+          name of column\n+     drange: tuple or list with two datetimes\n+          consider rows with dates between these two dates.\n+\n+     Returns\n+     --------\n+     lhash: dictionary\n+         key is the value in column sid and value is (latitude, longitude)\n+         position.\n+    \"\"\"\n+    degree2km = 111\n+    if drange:\n+        df = timefilter(df.copy(), drange)\n+    lhash = get_lhash(df, sid)\n+    for key in lhash.keys:\n+        xd = (lhash[key][1] - latlon[1]) * degree2km * np.cos(\n+            latlon[1] * np.pi / 180.0)\n+        yd = (lhash[key][0] - latlon[0]) * degree2km\n+        dd = (xd**2 + yd**2)**0.5\n+        if dd > distance:\n+            lhash.pop(key, None)\n+    return lhash\n+\n+\n+def write_datem(df,\n+                obscolumn='obs',\n+                dname='datemfile.txt',\n+                sitename='1',\n+                info=None,\n+                drange=None):\n+    \"\"\"returns string in datem format (See NOAA ARL).\n+     datem format has the following columns:\n+     Year, Month, Day, Hour, Duration, lat, lon, Concentration (units), site\n+     id, height\n+\n+     Parameters\n+     ----------\n+     obscolumn : string\n+            name of column with values to write in the Concentration column.\n+     dname : string\n+             name of the output file.\n+     sitename : string.\n+             If it is the name of a column in the dataframe then\n+             that column will be used to generate the site name column in the\n+             datem file. If is not the name of a column, then the string will\n+             be used as the site name.\n+     info : string\n+           will be written to the second line of the header.\n+     drange : list of two time stamp objects.\n+     Returns\n+     --------\n+     runstring: string\n+       string in datem format.\n+    \"\"\"\n+    if drange:\n+        df = timefilter(df, drange)\n+\n+    units = df['units'].tolist()\n+    units = list(set(units))\n+    sdate = datetime.datetime(2010, 1, 1, 0)\n+    if len(units) > 1:\n+        print('WARNING, more than one type of unit ', units)\n+    ustr = ''\n+    for uuu in units:\n+        ustr += uuu + ' '\n+    runstring = \"Beginning date \" + sdate.strftime(\n+        \"%Y %m %d %H:%M\") + \" UTC ---\"\n+    runstring += 'Information '\n+    if info:\n+        runstring += info + \"\\n\"\n+    else:\n+        runstring += \"\\n\"\n+    runstring += 'Year, Month, Day, Hour:Minute (UTC), Dur(hhmm) ,  LAT, LON, Concentration (' + \\\n+        ustr + \"), sid, height\\n\"\n+    lat = df['latitude']\n+    lon = df['longitude']\n+    cval = df[obscolumn]\n+    # print t2\n+    t1 = df['time']\n+    duration = ' 0100 '\n+    height = '20'\n+    if sitename in df.columns.values:\n+        sval = df[sitename]\n+    else:\n+        sval = [sitename] * len(cval)\n+    for val in zip(t1, lat, lon, cval, sval):\n+        runstring += val[0].strftime('%Y  %m  %d  %H%M') + duration\n+        try:\n+            runstring += str(val[1]) + ' ' + str(val[2]) + ' '\n+        except RuntimeError:\n+            print('WARNING1', val[1])\n+            print(val[2])\n+            print(type(val[1]))\n+            print(type(val[2]))\n+            sys.exit()\n+        if isinstance(val[4], str):\n+            runstring += \"{:.3f}\".format(\n+                val[3]) + ' ' + val[4] + ' ' + height + \"\\n\"\n+        else:\n+            runstring += \"{:.3f}\".format(val[3]) + ' ' + \\\n+                \"{0:d}\".format(val[4]) + ' ' + height + \"\\n\"\n+\n+    with open(dname, 'w') as fid:\n+        fid.write(runstring)\n+    return runstring\n+\n+\n+def dropna(df, inplace=True):\n+    \"\"\"remove columns which have all Nans.\n+       TO DO: is this needed?\"\"\"\n+    return df.dropna(axis=1, inplace=inplace)\n+\n+\n+def get_lhash(df, idn):\n+    \"\"\"returns a dictionary with the key as the input column value and the\n+        value a tuple of (lat, lon)  Useful for getting lat lon locations of\n+        different sites in a dataframe.\n+    \"\"\"\n+    if 'latitude' in list(df.columns.values):\n+        dftemp = df.copy()\n+        pairs = zip(dftemp[idn], zip(dftemp['latitude'], dftemp['longitude']))\n+        pairs = list(set(pairs))\n+        lhash = dict(pairs)  # key is facility id and value is name.\n+        print(lhash)\n+    return lhash\n+\n+\n+def summarize(df, verbose=False):\n+    \"\"\"prints list of columns. if verbose prints list of unique values in each\n+    column\"\"\"\n+    columns = list(df.columns.values)\n+    if verbose:\n+        for ccc in columns:\n+            print(ccc)\n+            print(df[ccc].unique())\n+    print('-------------------------------')\n+    for ccc in columns:\n+        print(ccc)\n+\n+\n+def latlonfilter(df, llcrnr, urcrnr):\n+    \"\"\"\n+     removes rows from self.df with latitude longitude outside of the box\n+     described by llcrnr (lower left corner) and urcrnr (upper right corner)\n+     Parameters\n+     ----------\n+       llcrnr : tuple\n+                lower left corner. (latitude, longitude)\n+       urcrnr : tuple\n+                upper right corner (latittude, longitude)\n+       inplace: boolean\n+                if TRUE then replaces self.df attribute\n+       removes rows with latitude longitude outside of the box\n+       described by llcrnr (lower left corner) and urcrnr (upper right corner)\n+\n+    \"\"\"\n+    lat1 = llcrnr[0]\n+    lat2 = urcrnr[0]\n+    lon1 = llcrnr[1]\n+    lon2 = urcrnr[1]\n+    df = df[df['latitude'] < lat2]\n+    df = df[df['latitude'] > lat1]\n+    df = df[df['longitude'] > lon1]\n+    df = df[df['longitude'] < lon2]\n+    return df\n+\n+\n+def timefilter(df, daterange, inplace=True):\n+    \"\"\"removes rows with dates outside of the daterange from self.df\n+     Parameters\n+     ----------\n+     daterange:  tuple\n+               (datetime, datetime)\n+     inplace: boolean\n+               if TRUE then replaces self.df attribute\n+    \"\"\"\n+    df = df[df['time'] > daterange[0]]\n+    df = df[df['time'] < daterange[1]]\n+    return df\ndiff --git a/monet/obs/tolnet_mod.py b/monet/obs/tolnet_mod.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/obs/tolnet_mod.py\n@@ -0,0 +1,116 @@\n+import os\n+from builtins import object\n+\n+import pandas as pd\n+import xarray as xr\n+\n+\n+class TOLNet(object):\n+    \"\"\"Short summary.\n+\n+    Attributes\n+    ----------\n+    objtype : type\n+        Description of attribute `objtype`.\n+    cwd : type\n+        Description of attribute `cwd`.\n+    dates : type\n+        Description of attribute `dates`.\n+    dset : type\n+        Description of attribute `dset`.\n+    daily : type\n+        Description of attribute `daily`.\n+\n+    \"\"\"\n+\n+    def __init__(self):\n+        self.objtype = 'TOLNET'\n+        self.cwd = os.getcwd()\n+        self.dates = pd.date_range(\n+            start='2017-09-25', end='2017-09-26', freq='H')\n+        self.dset = None\n+        self.daily = False\n+\n+    def add_data(self, fname):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        fname : type\n+            Description of parameter `fname`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from h5py import File\n+        f = File(fname)\n+        atts = f['INSTRUMENT_ATTRIBUTES']\n+        data = f['DATA']\n+        self.dset = self.make_xarray_dataset(data, atts)\n+        return self.dset\n+\n+    @staticmethod\n+    def make_xarray_dataset(data, atts):\n+        \"\"\"Short summary.\n+\n+        Parameters\n+        ----------\n+        data : type\n+            Description of parameter `data`.\n+        atts : type\n+            Description of parameter `atts`.\n+\n+        Returns\n+        -------\n+        type\n+            Description of returned object.\n+\n+        \"\"\"\n+        from numpy import NaN\n+        # altitude variables\n+        alt = data['ALT'][:].squeeze()\n+        altvars = [\n+            'AirND', 'AirNDUncert', 'ChRange', 'Press', 'Temp', 'TempUncert',\n+            'O3NDResol', 'PressUncert'\n+        ]\n+        # time variables\n+        tseries = pd.Series(data[\"TIME_MID_UT_UNIX\"][:].squeeze())\n+        time = pd.Series(pd.to_datetime(tseries, unit='ms'), name='time')\n+        tseries = pd.Series(data[\"TIME_START_UT_UNIX\"][:].squeeze())\n+        # stime = pd.to_datetime(tseries, unit='ms')\n+        tseries = pd.Series(data[\"TIME_STOP_UT_UNIX\"][:].squeeze())\n+        # etime = pd.to_datetime(tseries, unit='ms')\n+        # all other variables\n+        ovars = ['O3MR', 'O3ND', 'O3NDUncert', 'O3MRUncert', 'Precision']\n+        dset = {}\n+        for i in ovars:\n+            val = data[i][:]\n+            val[data[i][:] < -1.] = NaN\n+            dset[i] = (['z', 't'], val)\n+        for i in altvars:\n+            dset[i] = (['z'], data[i][:].squeeze())\n+\n+    # coords = {'time': time, 'z': alt, 'start_time': stime, 'end_time': etime}\n+        attributes = {}\n+        for i in list(atts.attrs.keys()):\n+            attributes[i] = atts.attrs[i]\n+        dataset = xr.Dataset(data_vars=dset, attrs=attributes)\n+        dataset['time'] = (['t'], time)\n+        dataset['t'] = dataset['time']\n+        dataset = dataset.drop('time').rename({'t': 'time'})\n+        dataset['z'] = alt\n+        # get latlon\n+        a, b = dataset.Location_Latitude.decode('ascii').split()\n+        if b == 'S':\n+            dataset['latitude'] = -1 * float(a)\n+        else:\n+            dataset['latitude'] = float(a)\n+        a, b = dataset.Location_Longitude.decode('ascii').split()\n+        if b == 'W':\n+            dataset['longitude'] = -1 * float(a)\n+        else:\n+            dataset['longitude'] = float(a)\n+        return dataset\ndiff --git a/monet/plots/__init__.py b/monet/plots/__init__.py\n--- a/monet/plots/__init__.py\n+++ b/monet/plots/__init__.py\n@@ -1,9 +1,10 @@\n from __future__ import absolute_import, print_function\n \n from . import colorbars, plots, taylordiagram\n+from .plots import *\n+from .mapgen import *\n+from .colorbars import *\n \n-__all__ = ['colorbars', 'plots', 'taylordiagram']\n-\n-__name__ = 'plots'\n+__all__ = ['colorbars', 'plots', 'taylordiagram', 'mapgen']\n \n # This is the driver for all verify objects\ndiff --git a/monet/plots/colorbars.py b/monet/plots/colorbars.py\n--- a/monet/plots/colorbars.py\n+++ b/monet/plots/colorbars.py\n@@ -1,31 +1,36 @@\n+\"\"\" colorbar helper functions\"\"\"\n from builtins import range\n import matplotlib.colors as mcolors\n import matplotlib.pyplot as plt\n-from matplotlib import cm\n from numpy import arange, linspace, vstack\n \n \n-def colorbar_index(ncolors, cmap, minval=None, maxval=None, dtype='int', basemap=None):\n+def colorbar_index(ncolors,\n+                   cmap,\n+                   minval=None,\n+                   maxval=None,\n+                   dtype='int',\n+                   basemap=None):\n     import matplotlib.cm as cm\n     import numpy as np\n     cmap = cmap_discretize(cmap, ncolors)\n     mappable = cm.ScalarMappable(cmap=cmap)\n     mappable.set_array([])\n     mappable.set_clim(-0.5, ncolors + 0.5)\n-    if type(basemap) is not None:\n+    if basemap is not None:\n         colorbar = basemap.colorbar(mappable, format='%1.2g')\n     else:\n         colorbar = plt.colorbar(mappable, format='%1.2g', fontsize=12)\n     colorbar.set_ticks(np.linspace(0, ncolors, ncolors))\n-    if (type(minval) is None) & (type(maxval) is not None):\n+    if (minval is None) & (maxval is not None):\n         colorbar.set_ticklabels(\n             np.around(np.linspace(0, maxval, ncolors).astype(dtype), 2))\n-    elif (type(minval) is None) & (type(maxval) is None):\n+    elif (minval is None) & (maxval is None):\n         colorbar.set_ticklabels(\n             np.around(np.linspace(0, ncolors, ncolors).astype(dtype), 2))\n     else:\n-        colorbar.set_ticklabels(np.around(np.linspace(\n-            minval, maxval, ncolors).astype(dtype), 2))\n+        colorbar.set_ticklabels(\n+            np.around(np.linspace(minval, maxval, ncolors).astype(dtype), 2))\n \n     return colorbar, cmap\n \n@@ -57,93 +62,138 @@ def cmap_discretize(cmap, N):\n     # Return colormap object.\n     return mcolors.LinearSegmentedColormap(cmap.name + \"_%d\" % N, cdict, 1024)\n \n-\n-def o3cmap():\n-    # This function returns the colormap and bins for the ozone spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.OrRd(linspace(.2, 1, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('o3cmap', colors), arange(0, 140.5, .5)\n-\n-\n-def pm25cmap():\n-    # This function returns the colormap and bins for the PM spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.OrRd(linspace(.2, 1, 128))\n-    colors = vstack((colors1, colors2))\n-    cc = mcolors.LinearSegmentedColormap.from_list('pm25cmap', colors), arange(0, 70.2, .2)\n-    return cc\n-\n-\n-def wscmap():\n-    # This function returns the colormap and bins for the PM spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.OrRd(linspace(.2, 1, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('wscmap', colors), arange(0, 40.2, .2)\n-\n-\n-def tempcmap():\n-    # This function returns the colormap and bins for the PM spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.OrRd(linspace(.2, 1, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('tempcmap', colors), arange(250, 320.5, .5)\n-\n-\n-def sradcmap():\n-    # This function returns the colormap and bins for the PM spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.plasma(linspace(.2, 1, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('sradcmap', colors), arange(0, 1410., 10)\n-\n-\n-def noxcmap():\n-    # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.plasma_r(linspace(.042, .75, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('noxcmap', colors), arange(0, 40.2, .2)\n-\n-\n-def rhcmap():\n-    # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.plasma_r(linspace(.042, .75, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('noxcmap', colors), arange(0, 100.5, .5)\n-\n-\n-def so2cmap():\n-    # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.plasma_r(linspace(.042, .75, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('noxcmap', colors), arange(0, 14.1, .1)\n-\n-\n-def pm10cmap():\n-    # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n-    # this is designed to have a vmin =0 and vmax = 140\n-    # return cmap,bins\n-    colors1 = cm.viridis(linspace(0, 1, 128))\n-    colors2 = cm.plasma_r(linspace(.042, .75, 128))\n-    colors = vstack((colors1, colors2))\n-    return mcolors.LinearSegmentedColormap.from_list('noxcmap', colors), arange(0, 150.5, .5)\n+# def o3cmap():\n+#     import matplotlib.cm as cm\n+#     # This function returns the colormap and bins for the ozone spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = cm.viridis(linspace(0, 1, 128))\n+#     colors2 = cm.OrRd(linspace(.2, 1, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('o3cmap', colors), arange(\n+#         0, 140.5, .5)\n+#\n+#\n+# def pm25cmap():\n+#     from matplotlib.cm import viridis, OrRd\n+#     # This function returns the colormap and bins for the PM spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = OrRd(linspace(.2, 1, 128))\n+#     colors = vstack((colors1, colors2))\n+#     cc = mcolors.LinearSegmentedColormap.from_list('pm25cmap', colors), arange(\n+#         0, 70.2, .2)\n+#     return cc\n+#\n+#\n+# def wscmap():\n+#     from matplotlib.cm import viridis, OrRd\n+#     # This function returns the colormap and bins for the PM spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = OrRd(linspace(.2, 1, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('wscmap', colors), arange(\n+#         0, 40.2, .2)\n+#\n+#\n+# def tempcmap():\n+#     from matplotlib.cm import viridis, OrRd\n+#     # This function returns the colormap and bins for the PM spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = OrRd(linspace(.2, 1, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('tempcmap',\n+#                                                      colors), arange(\n+#                                                          250, 320.5, .5)\n+#\n+#\n+# def sradcmap():\n+#     from matplotlib.cm import viridis, plasma_r\n+#     # This function returns the colormap and bins for the PM spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = plasma_r(linspace(.2, 1, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('sradcmap',\n+#                                                      colors), arange(\n+#                                                          0, 1410., 10)\n+#\n+#\n+# def noxcmap():\n+#     \"\"\"Short summary.\n+#\n+#     Returns\n+#     -------\n+#     type\n+#         Description of returned object.\n+#\n+#     \"\"\"\n+#     from matplotlib.cm import viridis, plasma_r\n+#     # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = plasma_r(linspace(.042, .75, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('noxcmap',\n+#                                                      colors), arange(\n+#                                                          0, 40.2, .2)\n+#\n+#\n+# def rhcmap():\n+#     \"\"\"Short summary.\n+#\n+#     Returns\n+#     -------\n+#     type\n+#         Description of returned object.\n+#\n+#     \"\"\"\n+#     from matplotlib.cm import viridis, plasma_r\n+#     # This function returns the colormap and bins for the NO2/NO/NOx spatial\n+#     # plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = plasma_r(linspace(.042, .75, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('noxcmap',\n+#                                                      colors), arange(\n+#                                                          0, 100.5, .5)\n+#\n+#\n+# def so2cmap():\n+#     \"\"\"Short summary.\n+#\n+#     Returns\n+#     -------\n+#     type\n+#         Description of returned object.\n+#\n+#     \"\"\"\n+#     from matplotlib.cm import viridis, plasma_r\n+#     colors1 = viridis(linspace(0, 1, 128))\n+#     colors2 = plasma_r(linspace(.042, .75, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('noxcmap',\n+#                                                      colors), arange(\n+#                                                          0, 14.1, .1)\n+#\n+#\n+# def pm10cmap():\n+#     import matplotlib.cm as cm\n+#     # This function returns the colormap and bins for the NO2/NO/NOx spatial plots\n+#     # this is designed to have a vmin =0 and vmax = 140\n+#     # return cmap,bins\n+#     colors1 = cm.viridis(linspace(0, 1, 128))\n+#     colors2 = cm.plasma_r(linspace(.042, .75, 128))\n+#     colors = vstack((colors1, colors2))\n+#     return mcolors.LinearSegmentedColormap.from_list('noxcmap',\n+#                                                      colors), arange(\n+#                                                          0, 150.5, .5)\ndiff --git a/monet/plots/mapgen.py b/monet/plots/mapgen.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/plots/mapgen.py\n@@ -0,0 +1,80 @@\n+\"\"\" map utilities \"\"\"\n+import cartopy.crs as ccrs\n+import cartopy.feature as cfeature\n+import matplotlib.pyplot as plt\n+\n+\n+def draw_map(ax=None,\n+             crs=None,\n+             natural_earth=False,\n+             coastlines=True,\n+             states=False,\n+             countries=True,\n+             resolution='10m',\n+             extent=None,\n+             **kwargs):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    ax : type\n+        Description of parameter `ax` (the default is None).\n+    natural_earth : bool\n+        Description of parameter `natural_earth` (the default is True).\n+    coastlines : bool\n+        Description of parameter `coastlines` (the default is True).\n+    states : bool\n+        Description of parameter `states` (the default is True).\n+    countries : bool\n+        Description of parameter `countries` (the default is True).\n+    state_resolutions : bool\n+        Description of parameter `state_resolutions` (the default is '10m').\n+    extent : [lon_min,lon_max,lat_min,lat_max]\n+        Description of parameter `extent` (the default is None).\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    con2 = 'subplot_kw' in kwargs and 'projection' not in kwargs['subplot_kw']\n+    if ax is None and kwargs is not None and crs is None:\n+        if 'subplot_kw' not in kwargs:\n+            kwargs['subplot_kw'] = {'projection': ccrs.PlateCarree()}\n+        elif con2:\n+            kwargs['subplot_kw']['projection'] = ccrs.PlateCarree()\n+        f, ax = plt.subplots(figsize=(10, 5), **kwargs)\n+    elif ax is None and crs is not None:\n+        f, ax = plt.subplots(figsize=(10, 5), subplot_kw={'projection': crs})\n+    else:\n+        f, ax = plt.subplots(\n+            figsize=(10, 5), subplot_kw={'projection': ccrs.PlateCarree()})\n+    if natural_earth:\n+        # ax.stock_img()\n+        ax.add_feature(cfeature.OCEAN)\n+        ax.add_feature(cfeature.LAND)\n+        ax.add_feature(cfeature.LAKES)\n+        ax.add_feature(cfeature.RIVERS)\n+\n+    if states:\n+        states_provinces = cfeature.NaturalEarthFeature(\n+            category='cultural',\n+            name='admin_1_states_provinces_lines',\n+            scale=resolution,\n+            facecolor='none')\n+        ax.add_feature(states_provinces, edgecolor='black')\n+\n+    if coastlines:\n+        ax.coastlines(resolution)\n+\n+    if countries:\n+        ax.add_feature(cfeature.BORDERS)\n+\n+    if states:\n+        ax.add_feature(states_provinces)\n+\n+    if extent is not None:\n+        ax.set_extent(extent)\n+\n+    return ax\ndiff --git a/monet/plots/plots.py b/monet/plots/plots.py\n--- a/monet/plots/plots.py\n+++ b/monet/plots/plots.py\n@@ -1,10 +1,9 @@\n+\"\"\"plotting routines\"\"\"\n import matplotlib.pyplot as plt\n import seaborn as sns\n \n-import taylordiagram as td\n-from colorbars import colorbar_index\n-\n-from ..util import mystats\n+from . import taylordiagram as td\n+from .colorbars import colorbar_index\n \n # colors = ['#1e90ff','#045C5C','#00A847','#DB4291','#BB7E5D']\n colors = ['#1e90ff', '#DA70D6', '#228B22', '#FA8072', '#FF1493']\n@@ -14,27 +13,38 @@\n \n \n # CMAQ Spatial Plots\n+def make_spatial_plot(modelvar,\n+                      m,\n+                      dpi=None,\n+                      plotargs={},\n+                      ncolors=15,\n+                      discrete=False):\n \n-\n-def make_spatial_plot(cmaqvar, m, dpi=None, plotargs={}, ncolors=15, discrete=False):\n     # create figure\n     f, ax = plt.subplots(1, 1, figsize=(11, 6), frameon=False)\n     # determine colorbar\n     if 'cmap' not in plotargs:\n         plotargs['cmap'] = 'viridis'\n     if discrete and 'vmin' in plotargs and 'vmax' in plotargs:\n-        c, cmap = colorbar_index(ncolors, plotargs['cmap'], minval=plotargs['vmin'], maxval=plotargs['vmax'], basemap=m)\n+\n+        c, cmap = colorbar_index(\n+            ncolors,\n+            plotargs['cmap'],\n+            minval=plotargs['vmin'],\n+            maxval=plotargs['vmax'],\n+            basemap=m)\n         plotargs['cmap'] = cmap\n-        m.imshow(cmaqvar, **plotargs)\n+        m.imshow(modelvar, **plotargs)\n         vmin, vmax = plotargs['vmin'], plotargs['vmax']\n     elif discrete:\n-        temp = m.imshow(cmaqvar, **plotargs)\n+        temp = m.imshow(modelvar, **plotargs)\n         vmin, vmax = temp.get_clim()\n-        c, cmap = colorbar_index(ncolors, plotargs['cmap'], minval=vmin, maxval=vmax, basemap=m)\n+        c, cmap = colorbar_index(\n+            ncolors, plotargs['cmap'], minval=vmin, maxval=vmax, basemap=m)\n         plotargs['cmap'] = cmap\n-        m.imshow(cmaqvar, vmin=vmin, vmax=vmax, **plotargs)\n+        m.imshow(modelvar, vmin=vmin, vmax=vmax, **plotargs)\n     else:\n-        temp = m.imshow(cmaqvar, **plotargs)\n+        temp = m.imshow(modelvar, **plotargs)\n         c = m.colorbar()\n         vmin, vmax = temp.get_clim()\n         cmap = plotargs['cmap']\n@@ -44,10 +54,25 @@ def make_spatial_plot(cmaqvar, m, dpi=None, plotargs={}, ncolors=15, discrete=Fa\n     m.drawcountries()\n     return f, ax, c, cmap, vmin, vmax\n \n+def spatial(modelvar, **kwargs):\n+    if kwargs['ax'] is None:\n+        f, ax = plt.subplots(1, 1, figsize=(11, 6), frameon=False)\n+        kwargs['ax'] = ax\n+    ax = modelvar.plot(**kwargs)\n+    return ax\n+\n \n-def make_spatial_contours(cmaqvar, gridobj, date, m, dpi=None, savename='', discrete=True, ncolors=None, dtype='int',\n+def make_spatial_contours(modelvar,\n+                          gridobj,\n+                          date,\n+                          m,\n+                          dpi=None,\n+                          savename='',\n+                          discrete=True,\n+                          ncolors=None,\n+                          dtype='int',\n                           **kwargs):\n-    fig = plt.figure(figsize=(11, 6), frameon=False)\n+    plt.figure(figsize=(11, 6), frameon=False)\n     lat = gridobj.variables['LAT'][0, 0, :, :].squeeze()\n     lon = gridobj.variables['LON'][0, 0, :, :].squeeze()\n     # define map and draw boundries\n@@ -56,13 +81,17 @@ def make_spatial_contours(cmaqvar, gridobj, date, m, dpi=None, savename='', disc\n     m.drawcountries()\n     x, y = m(lon, lat)\n     plt.axis('off')\n-    m.contourf(x, y, cmaqvar, **kwargs)\n+    m.contourf(x, y, modelvar, **kwargs)\n     cmap = kwargs['cmap']\n     levels = kwargs['levels']\n     if discrete:\n-        c, cmap = colorbar_index(ncolors, cmap, minval=levels[0], maxval=levels[-1], basemap=m, dtype=dtype)\n-    #        m.contourf(x, y, cmaqvar, **kwargs,cmap=cmap)\n-    # c, cmap = colorbar_index(ncolors, cmap, minval=vmin, maxval=vmax)\n+        c, cmap = colorbar_index(\n+            ncolors,\n+            cmap,\n+            minval=levels[0],\n+            maxval=levels[-1],\n+            basemap=m,\n+            dtype=dtype)\n     else:\n         c = m.colorbar()\n     titstring = date.strftime('%B %d %Y %H')\n@@ -76,13 +105,15 @@ def make_spatial_contours(cmaqvar, gridobj, date, m, dpi=None, savename='', disc\n \n \n def wind_quiver(ws, wdir, gridobj, m, **kwargs):\n-    import tools\n+    from . import tools\n+\n     lat = gridobj.variables['LAT'][0, 0, :, :].squeeze()\n     lon = gridobj.variables['LON'][0, 0, :, :].squeeze()\n     # define map and draw boundries\n     x, y = m(lon, lat)\n     u, v = tools.wsdir2uv(ws, wdir)\n-    quiv = m.quiver(x[::15, ::15], y[::15, ::15], u[::15, ::15], v[::15, ::15], **kwargs)\n+    quiv = m.quiver(x[::15, ::15], y[::15, ::15], u[::15, ::15], v[::15, ::15],\n+                    **kwargs)\n     return quiv\n \n \n@@ -93,7 +124,8 @@ def wind_barbs(ws, wdir, gridobj, m, **kwargs):\n     # define map and draw boundries\n     x, y = m(lon, lat)\n     u, v = tools.wsdir2uv(ws, wdir)\n-    m.barbs(x[::15, ::15], y[::15, ::15], u[::15, ::15], v[::15, ::15], **kwargs)\n+    m.barbs(x[::15, ::15], y[::15, ::15], u[::15, ::15], v[::15, ::15],\n+            **kwargs)\n \n \n def normval(vmin, vmax, cmap):\n@@ -103,33 +135,47 @@ def normval(vmin, vmax, cmap):\n     norm = BoundaryNorm(boundaries=bounds, ncolors=cmap.N)\n     return norm\n \n+# def spatial_scatter(df, m, discrete=False, plotargs={}, create_cbar=True):\n+#     from .colorbars import cmap_discretize\n+#     x, y = m(df.longitude.values, df.Latitude.values)\n+#     s = 20\n+#     if create_cbar:\n+#         if discrete:\n+#             cmap = cmap_discretize(cmap, ncolors)\n+#             # s = 20\n+#           if (type(plotargs(vmin)) == None) | (type(plotargs(vmax)) == None):\n+#                 plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n+#             else:\n+#                 plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n+#         else:\n+#             plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n+#     else:\n+#         plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n+\n+# def spatial_stat_scatter(df,\n+#                          m,\n+#                          date,\n+#                          stat=mystats.MB,\n+#                          ncolors=15,\n+#                          fact=1.5,\n+#                          cmap='RdYlBu_r'):\n+#     new = df[df.datetime == date]\n+#     x, y = m(new.longitude.values, new.latitude.values)\n+#     cmap = cmap_discretize(cmap, ncolors)\n+#     colors = new.CMAQ - new.Obs\n+#     ss = (new.Obs - new.CMAQ).abs() * fact\n+\n+\n+def spatial_bias_scatter(df,\n+                         m,\n+                         date,\n+                         vmin=None,\n+                         vmax=None,\n+                         savename='',\n+                         ncolors=15,\n+                         fact=1.5,\n+                         cmap='RdBu_r'):\n \n-def spatial_scatter(df, m, discrete=False, plotargs={}, create_cbar=True):\n-    x, y = m(df.Longitude.values, df.Latitude.values)\n-    s = 20\n-    if create_cbar:\n-        if discrete:\n-            cmap = cmap_discretize(cmap, ncolors)\n-            # s = 20\n-            if (type(plotargs(vmin)) == None) | (type(plotargs(vmax)) == None):\n-                plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n-            else:\n-                plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n-        else:\n-            plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n-    else:\n-        plt.scatter(x, y, c=df['Obs'].values, **plotargs)\n-\n-\n-def spatial_stat_scatter(df, m, date, stat=mystats.MB, ncolors=15, fact=1.5, cmap='RdYlBu_r'):\n-    new = df[df.datetime == date]\n-    x, y = m(new.Longitude.values, new.Latitude.values)\n-    cmap = cmap_discretize(cmap, ncolors)\n-    colors = new.CMAQ - new.Obs\n-    ss = (new.Obs - new.CMAQ).abs() * fact\n-\n-\n-def spatial_bias_scatter(df, m, date, vmin=None, vmax=None, savename='', ncolors=15, fact=1.5, cmap='RdBu_r'):\n     from scipy.stats import scoreatpercentile as score\n     from numpy import around\n     #    plt.figure(figsize=(11, 6), frameon=False)\n@@ -138,40 +184,60 @@ def spatial_bias_scatter(df, m, date, vmin=None, vmax=None, savename='', ncolors\n     diff = (df.CMAQ - df.Obs)\n     top = around(score(diff.abs(), per=95))\n     new = df[df.datetime == date]\n-    x, y = m(new.Longitude.values, new.Latitude.values)\n-    c, cmap = colorbar_index(ncolors, cmap, minval=top * -1, maxval=top, basemap=m)\n+    x, y = m(new.longitude.values, new.latitude.values)\n+    c, cmap = colorbar_index(\n+        ncolors, cmap, minval=top * -1, maxval=top, basemap=m)\n+\n     c.ax.tick_params(labelsize=13)\n     #    cmap = cmap_discretize(cmap, ncolors)\n     colors = new.CMAQ - new.Obs\n     ss = (new.CMAQ - new.Obs).abs() / top * 100.\n     ss[ss > 300] = 300.\n-    plt.scatter(x, y, c=colors, s=ss, vmin=-1. * top, vmax=top, cmap=cmap, edgecolors='k', linewidths=.25, alpha=.7)\n-    if savename != '':\n-        plt.savefig(savename + date + '.jpg', dpi=75.)\n-        plt.close()\n-    return f, ax, c\n-\n+    plt.scatter(\n+        x,\n+        y,\n+        c=colors,\n+        s=ss,\n+        vmin=-1. * top,\n+        vmax=top,\n+        cmap=cmap,\n+        edgecolors='k',\n+        linewidths=.25,\n+        alpha=.7)\n \n-def eight_hr_spatial_scatter(df, m, date, savename=''):\n-    fig = plt.figure(figsize=(11, 6), frameon=False)\n-    m.drawcoastlines(linewidth=.3)\n-    m.drawstates()\n-    m.drawcountries()\n-\n-    plt.axis('off')\n-    new = df[df.datetime_local == date]\n-    x, y = m(new.Longitude.values, new.Latitude.values)\n-    cmap = plt.cm.get_cmap('plasma')\n-    norm = normval(-40, 40., cmap)\n-    ss = (new.Obs - new.CMAQ).abs() / top * 100.\n-    colors = new.Obs - new.CMAQ\n-    m.scatter(x, y, s=ss, c=colors, norm=norm, cmap=cmap)\n     if savename != '':\n         plt.savefig(savename + date + '.jpg', dpi=75.)\n         plt.close()\n+    return f, ax, c\n \n-\n-def timeseries_param(df, col='Obs', ax=None, sample='H', plotargs={}, fillargs={}, title='', label=None):\n+# def eight_hr_spatial_scatter(df, m, date, savename=''):\n+#     fig = plt.figure(figsize=(11, 6), frameon=False)\n+#     m.drawcoastlines(linewidth=.3)\n+#     m.drawstates()\n+#     m.drawcountries()\n+#\n+#     plt.axis('off')\n+#     new = df[df.datetime_local == date]\n+#     x, y = m(new.longitude.values, new.latitude.values)\n+#     cmap = plt.cm.get_cmap('plasma')\n+#     norm = normval(-40, 40., cmap)\n+#     ss = (new.Obs - new.CMAQ).abs() / top * 100.\n+#     colors = new.Obs - new.CMAQ\n+#     m.scatter(x, y, s=ss, c=colors, norm=norm, cmap=cmap)\n+#     if savename != '':\n+#         plt.savefig(savename + date + '.jpg', dpi=75.)\n+#         plt.close()\n+\n+\n+def timeseries(df,\n+               x='time',\n+               y='obs',\n+               ax=None,\n+               plotargs={},\n+               fillargs={'alpha': .2},\n+               title='',\n+               ylabel=None,\n+               label=None):\n     \"\"\"Short summary.\n \n     Parameters\n@@ -199,273 +265,58 @@ def timeseries_param(df, col='Obs', ax=None, sample='H', plotargs={}, fillargs={\n         Description of returned object.\n \n     \"\"\"\n-    import pandas as pd\n-\n     if ax is None:\n         f, ax = plt.subplots(figsize=(11, 6), frameon=False)\n \n     sns.set_palette(sns.color_palette(colors))\n     sns.set_style('ticks')\n-    df.index = df.datetime\n-    m = df.groupby(pd.Grouper(freq=sample)).mean()\n-    e = df.groupby(pd.Grouper(freq=sample)).std()\n-    species = df.Species[0]\n-    unit = df.Units[0]\n-    upper = m[col] + e[col]\n-    lower = m[col] - e[col]\n-    lower.loc[lower < 0] = 0\n-    lower = lower.values\n-    if col == 'Obs':\n-        plotargs['color'] = 'darkslategrey'\n-    if col == 'Obs':\n-        fillargs['color'] = 'darkslategrey'\n-    if col != 'Obs' and 'color' not in plotargs:\n-        plotargs['color'] = None\n-\n-    m[col].plot(ax=ax, **plotargs)\n-    ax.fill_between(m[col].index, lower, upper, **fillargs)\n-    if label is None:\n-        ax.set_ylabel(species + ' (' + unit + ')')\n+    df.index = df[x]\n+    m = df.groupby('time').mean()  # mean values for each sample time period\n+    e = df.groupby('time').std()  # std values for each sample time period\n+    variable = df.variable[0]\n+    if df.columns.isin(['units']).max():\n+        unit = df.units[0]\n     else:\n-        ax.set_ylabel(label)\n-    plt.set_xlabel('')\n-    plt.legend()\n-    plt.title(title)\n-    plt.tight_layout()\n-    return ax\n-\n-\n-def timeseries_error_param(df, col='Obs', ax=None, resample=False, freq='H', plotargs={}, fillargs={}, title='',\n-                           label=None):\n-    \"\"\"Short summary.\n-\n-    Parameters\n-    ----------\n-    df : pandas DataFrame\n-        pandas dataframe with a column labeled datetime\n-    col : string\n-        Description of parameter `col` (the default is 'Obs').\n-    ax : matplotlib axis handle\n-        pass a matplotlib axis handle.  Default none creates a new figure and axes handle.\n-    resample : bool\n-        Set to true or false to resample the dataframe.  (the default is 'H'  plotargs)\n-    freq : str\n-        String for the default frequency to resample.  See http://pandas.pydata.org/pandas-docs/stable/timeseries.html for more documentation (the default is 'H'  plotargs).\n-    fillargs : dictionary\n-        (the default is {}).\n-    title : type\n-        Description of parameter `title` (the default is '').\n-    label : type\n-        Description of parameter `label` (the default is None).\n-\n-    Returns\n-    -------\n-    type\n-        Description of returned object. \"\"\"\n-    import pandas as pd\n-\n-    if ax is None:\n-        f, ax = plt.subplots(figsize=(11, 6), frameon=False)\n-\n-    sns.set_palette(sns.color_palette(colors))\n-    sns.set_style('ticks')\n-    df.index = df.datetime\n-    m = df.groupby(pd.Grouper(freq=sample)).mean()\n-    e = df.groupby(pd.Grouper(freq=sample)).std()\n-    species = df.Species[0]\n-    unit = df.Units[0]\n-    upper = m[col] + e[col]\n-    lower = m[col] - e[col]\n+        unit = 'None'\n+    upper = m[y] + e[y]\n+    lower = m[y] - e[y]\n     lower.loc[lower < 0] = 0\n     lower = lower.values\n-    if col == 'Obs':\n-        plotargs['color'] = 'darkslategrey'\n-    if col == 'Obs':\n-        fillargs['color'] = 'darkslategrey'\n-    if col != 'Obs' and 'color' not in plotargs:\n-        plotargs['color'] = None\n-\n-    m[col].plot(ax=ax, **plotargs)\n-    ax.fill_between(m[col].index, lower, upper, **fillargs)\n-    if label is None:\n-        ax.set_ylabel(species + ' (' + unit + ')')\n+    if 'alpha' not in fillargs:\n+        fillargs['alpha'] = 0.2\n+    if label is not None:\n+        m.rename(columns={y: label}, inplace=True)\n+    else:\n+        label = y\n+    m[label].plot(ax=ax, **plotargs)\n+    ax.fill_between(m[label].index, lower, upper, **fillargs)\n+    if ylabel is None:\n+        ax.set_ylabel(variable + ' (' + unit + ')')\n     else:\n         ax.set_ylabel(label)\n+    ax.set_xlabel('')\n     plt.legend()\n     plt.title(title)\n     plt.tight_layout()\n     return ax\n \n-\n-# def timeseries_error_param(df, title='', fig=None, label=None, footer=True, sample='H'):\n-#     \"\"\"\n-#\n-#     :param df:\n-#     :param title:\n-#     :param fig:\n-#     :param label:\n-#     :param footer:\n-#     :param sample:\n-#     \"\"\"\n-#     import matplotlib.dates as mdates\n-#     from numpy import sqrt\n-#     sns.set_style('ticks')\n-#\n-#     df.index = df.datetime\n-#     if fig is None:\n-#         plt.figure(figsize=(13, 8))\n-#\n-#         species = df.Species.unique().astype('|S8')[0]\n-#         units = df.Units.unique().astype('|S8')[0]\n-#\n-#         mb = (df.CMAQ - df.Obs).resample(sample).mean()\n-#         rmse = sqrt((df.CMAQ - df.Obs) ** 2).resample(sample).mean()\n-#\n-#         a = plt.plot(mb, label='Mean Bias', color='dodgerblue')\n-#         ax = plt.gca().axes\n-#         ax2 = ax.twinx()\n-#         b = ax2.plot(rmse, label='RMSE', color='tomato')\n-#         lns = a + b\n-#         labs = [l.get_label() for l in lns]\n-#         plt.legend(lns, labs, loc='best')\n-#\n-#         ax.set_xlabel('UTC Time (mm/dd HH)')\n-#         ax.xaxis.set_major_formatter(mdates.DateFormatter('%m/%d %H'))\n-#         plt.title(title)\n-#         ylabel = species + ' (' + units + ')'\n-#         ax.set_ylabel('MB ' + ylabel, color='dodgerblue')\n-#         ax2.set_ylabel('RMSE ' + ylabel, color='tomato')\n-#         if footer:\n-#             footer_text(df)\n-#         plt.tight_layout()\n-#         plt.grid(alpha=.5)\n-#     else:\n-#         ax1 = fig.get_axes()[0]\n-#         ax2 = fig.get_axes()[1]\n-#         mb = (df.CMAQ - df.Obs).resample(sample).mean()\n-#         rmse = sqrt((df.CMAQ - df.Obs) ** 2).resample(sample).mean()\n-#         ax1.plot(mb, label=label + ' MB')\n-#         ax2.plot(rmse, label=label + ' RMSE')\n-#         lns = ax1.get_lines()[:] + ax2.get_lines()[1:]\n-#         labs = [l.get_label() for l in lns]\n-#         plt.legend(lns, labs, loc='best')\n-\n-\n-def timeseries_rmse_param(df, title='', fig=None, label=None, footer=True, sample='H'):\n-    \"\"\"Short summary.\n-\n-    Parameters\n-    ----------\n-    df : type\n-        Description of parameter `df`.\n-    title : type\n-        Description of parameter `title` (the default is '').\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n-    label : type\n-        Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n-    sample : type\n-        Description of parameter `sample` (the default is 'H').\n-\n-    Returns\n-    -------\n-    type\n-        Description of returned object.\n-\n-    \"\"\"\n-    import matplotlib.dates as mdates\n-    from numpy import sqrt\n-    sns.set_style('ticks')\n-    df.index = df.datetime\n-    if fig is None:\n-        plt.figure(figsize=(13, 8))\n-        species = df.Species.unique().astype('|S8')[0]\n-        units = df.Units.unique().astype('|S8')[0]\n-        rmse = sqrt((df.CMAQ - df.Obs) ** 2).resample(sample).mean()\n-        plt.plot(rmse, color='dodgerblue', label=label)\n-        ylabel = species + ' (' + units + ')'\n-        plt.gca().axes.set_ylabel('RMSE ' + ylabel)\n-        if footer:\n-            footer_text(df)\n-        ax = plt.gca().axes\n-        ax.set_xlabel('UTC Time (mm/dd HH)')\n-        ax.xaxis.set_major_formatter(mdates.DateFormatter('%m/%d %H'))\n-        plt.tight_layout()\n-        plt.grid(alpha=.5)\n-    else:\n-        ax = fig.get_axes()[0]\n-        rmse = sqrt((df.CMAQ - df.Obs) ** 2).resample(sample).mean()\n-        ax.plot(rmse, label=label)\n-        plt.legend(loc='best')\n-\n-\n-def timeseries_mb_param(df, title='', fig=None, label=None, footer=True, sample='H'):\n-    \"\"\"Short summary.\n-\n-    Parameters\n-    ----------\n-    df : type\n-        Description of parameter `df`.\n-    title : type\n-        Description of parameter `title` (the default is '').\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n-    label : type\n-        Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n-    sample : type\n-        Description of parameter `sample` (the default is 'H').\n-\n-    Returns\n-    -------\n-    type\n-        Description of returned object.\n-\n-    \"\"\"\n-    import matplotlib.dates as mdates\n-    sns.set_style('ticks')\n-    df.index = df.datetime\n-    if fig is None:\n-        plt.figure(figsize=(13, 8))\n-        species = df.Species.unique().astype('|S8')[0]\n-        units = df.Units.unique().astype('|S8')[0]\n-        mb = (df.CMAQ - df.Obs).resample(sample).mean()\n-        plt.plot(mb, color='dodgerblue', label=label)\n-        ylabel = species + ' (' + units + ')'\n-        plt.gca().axes.set_ylabel('MB ' + ylabel)\n-        plt.gca().axes.set_xlabel('UTC Time (mm/dd HH)')\n-        plt.gca().axes.xaxis.set_major_formatter(mdates.DateFormatter('%m/%d %H'))\n-        if footer:\n-            footer_text(df)\n-        plt.tight_layout()\n-        plt.grid(alpha=.5)\n-    else:\n-        ax = fig.get_axes()[0]\n-        rmse = (df.CMAQ - df.Obs).resample(sample).mean()\n-        ax.plot(rmse, label=label)\n-        plt.legend(loc='best')\n-\n-\n-def kdeplots_param(df, title=None, fig=None, label=None, footer=True, cumulative=False):\n+def kdeplot(df, title=None, label=None, ax=None, **kwargs):\n     \"\"\"Short summary.\n \n     Parameters\n     ----------\n     df : type\n         Description of parameter `df`.\n+    col : type\n+        Description of parameter `col` (the default is 'obs').\n     title : type\n         Description of parameter `title` (the default is None).\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n     label : type\n         Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n-    cumulative : type\n-        Description of parameter `cumulative` (the default is False).\n+    ax : type\n+        Description of parameter `ax` (the default is ax).\n+    **kwargs : type\n+        Description of parameter `**kwargs`.\n \n     Returns\n     -------\n@@ -473,98 +324,29 @@ def kdeplots_param(df, title=None, fig=None, label=None, footer=True, cumulative\n         Description of returned object.\n \n     \"\"\"\n-    from scipy.stats import scoreatpercentile as score\n     sns.set_style('ticks')\n \n-    if fig is None:\n-\n-        if cumulative:\n-            plt.figure(figsize=(13, 8))\n-            sns.kdeplot(df.Obs, color='darkslategrey', cumulative=True, label='Obs')\n-            sns.kdeplot(df.CMAQ, color='dodgerblue', cumulative=True, label=label)\n-        else:\n-            maxval1 = score(df.CMAQ.values, per=99.5)\n-            maxval2 = score(df.Obs.values, per=99.5)\n-            maxval = max([maxval1, maxval2])\n-            plt.figure(figsize=(13, 8))\n-            sns.kdeplot(df.Obs, color='darkslategrey')\n-            sns.kdeplot(df.CMAQ, color='dodgerblue', label=label)\n-\n+    if ax is None:\n+        f, ax = plt.subplots(figsize=(11, 6), frameon=False)\n         sns.despine()\n-        if not cumulative:\n-            plt.xlim([0, maxval])\n-        plt.xlabel(df.Species.unique()[0] + '  (' + df.Units.unique()[0] + ')')\n-        plt.title(title)\n-        plt.gca().axes.set_ylabel('P(' + df.Species.unique()[0] + ')')\n-        if footer:\n-            footer_text(df)\n-        plt.tight_layout()\n-        plt.grid(alpha=.5)\n-    else:\n-        ax = fig.get_axes()[0]\n-        sns.kdeplot(df.CMAQ, ax=ax, label=label, cumulative=cumulative)\n-\n-\n-def diffpdfs_param(df, title=None, fig=None, label=None, footer=True):\n-    \"\"\"Short summary.\n-\n-    Parameters\n-    ----------\n-    df : type\n-        Description of parameter `df`.\n-    title : type\n-        Description of parameter `title` (the default is None).\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n-    label : type\n-        Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n-\n-    Returns\n-    -------\n-    type\n-        Description of returned object.\n-\n-    \"\"\"\n-    from scipy.stats import scoreatpercentile as score\n-    sns.set_style('ticks')\n \n-    maxval = score(df.CMAQ.values - df.Obs.values, per=99.9)\n-    minval = score(df.CMAQ.values - df.Obs.values, per=.1)\n-    if fig is None:\n-        plt.figure(figsize=(10, 7))\n-        if label == 'None':\n-            label = 'CMAQ - Obs'\n-        sns.kdeplot(df.CMAQ.values - df.Obs.values, color='darkslategrey', label=label)\n-        sns.despine()\n-        plt.xlim([minval, maxval])\n-        plt.xlabel(df.Species.unique()[0] + ' Difference (' + df.Units.unique()[0] + ')')\n-        plt.title(title)\n-        plt.gca().axes.set_ylabel('P( Model - Obs )')\n-        if footer:\n-            footer_text(df)\n-        plt.tight_layout()\n-    else:\n-        ax = fig.get_axes()[0]\n-        sns.kdeplot(df.CMAQ.values - df.Obs.values, ax=ax, label=label)\n+    ax = sns.kdeplot(df, ax=ax, label=label, **kwargs)\n+    return ax\n \n \n-def scatter_param(df, title=None, fig=None, label=None, footer=True):\n+def scatter(df, x=None, y=None, title=None, label=None, ax=None, **kwargs):\n     \"\"\"Short summary.\n \n     Parameters\n     ----------\n     df : type\n         Description of parameter `df`.\n-    title : type\n-        Description of parameter `title` (the default is None).\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n-    label : type\n-        Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n+    x : type\n+        Description of parameter `x` (the default is 'obs').\n+    y : type\n+        Description of parameter `y` (the default is 'model').\n+    **kwargs : type\n+        Description of parameter `**kwargs`.\n \n     Returns\n     -------\n@@ -572,114 +354,36 @@ def scatter_param(df, title=None, fig=None, label=None, footer=True):\n         Description of returned object.\n \n     \"\"\"\n-    from numpy import max, arange, linspace, isnan\n-    from scipy.stats import scoreatpercentile as score\n-    from scipy.stats import linregress\n     sns.set_style('ticks')\n \n-    species, units = df.Species.unique()[0], df.Units.unique()[0]\n-    mask = ~isnan(df.Obs.values) & ~isnan(df.CMAQ.values)\n-    maxval1 = score(df.CMAQ.values[mask], per=99.5)\n-    maxval2 = score(df.Obs.values[mask], per=99.5)\n-    maxval = max([maxval1, maxval2])\n-    print maxval\n-    if fig is None:\n-        plt.figure(figsize=(10, 7))\n-\n-        plt.scatter(df.Obs, df.CMAQ, c='cornflowerblue', marker='o', edgecolors='w', alpha=.3, label=label)\n-        x = arange(0, maxval + 1)\n-        if maxval <= 10.:\n-            x = linspace(0, maxval, 25)\n-        plt.plot(x, x, '--', color='slategrey')\n-        tt = linregress(df.Obs.values[mask], df.CMAQ.values[mask])\n-        plt.plot(x, tt[0] * x + tt[1], color='tomato')\n-\n-        plt.xlim([0, maxval])\n-        plt.ylim([0, maxval])\n-        plt.xlabel('Obs ' + species + ' (' + units + ')')\n-        plt.title(title)\n-        plt.gca().axes.set_ylabel('Model ' + species + ' (' + units + ')')\n-        if footer:\n-            footer_text(df)\n-        plt.tight_layout()\n-        plt.grid(alpha=.5)\n-    else:\n-        ax = fig.get_axes()[0]\n-        l, = ax.scatter(df.Obs, df.CMAQ, marker='o', edgecolors='w', alpha=.3, label=label)\n-        tt = linregress(df.Obs.values, df.CMAQ.values)\n-        ax.plot(df.Obs.unique(), tt[0] * df.Obs.unique() + tt[1], color=l.get_color())\n-        plt.legend(loc='Best')\n-\n-\n-def diffscatter_param(df, title=None, fig=None, label=None, footer=True):\n-    \"\"\"Short summary.\n-\n-    Parameters\n-    ----------\n-    df : type\n-        Description of parameter `df`.\n-    title : type\n-        Description of parameter `title` (the default is None).\n-    fig : type\n-        Description of parameter `fig` (the default is None).\n-    label : type\n-        Description of parameter `label` (the default is None).\n-    footer : type\n-        Description of parameter `footer` (the default is True).\n-\n-    Returns\n-    -------\n-    type\n-        Description of returned object.\n-\n-    \"\"\"\n-    from scipy.stats import scoreatpercentile as score\n-    from numpy import isnan\n-    sns.set_style('ticks')\n-    df = df.dropna()\n-    mask = ~isnan(df.Obs.values) & ~isnan(df.CMAQ.values)\n-    if fig is None:\n-        species, units = df.Species.unique()[0], df.Units.unique()[0]\n-        maxval = score(df.Obs.values[mask], per=99.9)\n-        minvaly = score(df.CMAQ.values[mask] - df.Obs.values[mask], per=.1)\n-        maxvaly = score(df.CMAQ.values[mask] - df.Obs.values[mask], per=99.9)\n-        plt.figure(figsize=(10, 7))\n-\n-        plt.scatter(df.Obs.values[mask], df.CMAQ.values[mask] - df.Obs.values[mask], c='cornflowerblue', marker='o',\n-                    edgecolors='w', alpha=.3, label=label)\n-        plt.plot((0, maxval), (0, 0), '--', color='darkslategrey')\n-\n-        plt.xlim([0, maxval])\n-        plt.ylim([minvaly, maxvaly])\n-        plt.xlabel('Obs ' + species + ' (' + units + ')')\n-        plt.title(title)\n-        plt.gca().axes.set_ylabel('Model - Obs ' + species + ' (' + units + ')')\n-        if footer:\n-            footer_text(df)\n-        plt.tight_layout()\n-    else:\n-        ax = fig.get_axes()[0]\n-        mask = ~isnan(df.Obs.values) & ~isnan(df.CMAQ.values)\n-        ax.scatter(df.Obs.values[mask], df.CMAQ.values[mask] - df.Obs.values[mask], marker='o', edgecolors='w',\n-                   alpha=.3, label=label)\n-        plt.legend(loc='best')\n+    if ax is None:\n+        f, ax = plt.subplots(figsize=(8, 6), frameon=False)\n+    ax = sns.regplot(data=df, x=x, y=y, label=label, **kwargs)\n+    plt.title(title)\n+    return ax\n \n \n-def taylordiagram(df, marker='o', label='CMAQ', addon=False, dia=None):\n+def taylordiagram(df,\n+                  marker='o',\n+                  col1='obs',\n+                  col2='model',\n+                  label='CMAQ',\n+                  addon=False,\n+                  dia=None):\n     from numpy import corrcoef\n \n-    df = df.drop_duplicates().dropna(subset=['Obs', 'CMAQ'])\n+    df = df.drop_duplicates().dropna(subset=[col1, col2])\n \n     if not addon and dia is None:\n         f = plt.figure(figsize=(12, 10))\n         sns.set_style('ticks')\n-        obsstd = df.Obs.std()\n+        obsstd = df[col1].std()\n \n         dia = td.TaylorDiagram(obsstd, fig=f, rect=111, label='Obs')\n         plt.grid(linewidth=1, alpha=.5)\n-\n-        cc = corrcoef(df.Obs.values, df.CMAQ.values)[0, 1]\n-        dia.add_sample(df.CMAQ.std(), cc, marker=marker, zorder=9, ls=None, label=label)\n+        cc = corrcoef(df[col1].values, df[col2].values)[0, 1]\n+        dia.add_sample(\n+            df[col2].std(), cc, marker=marker, zorder=9, ls=None, label=label)\n         contours = dia.add_contours(colors='0.5')\n         plt.clabel(contours, inline=1, fontsize=10)\n         plt.grid(alpha=.5)\n@@ -687,12 +391,15 @@ def taylordiagram(df, marker='o', label='CMAQ', addon=False, dia=None):\n         plt.tight_layout()\n \n     elif not addon and dia is not None:\n-        print 'Do you want to add this on? if so please turn the addon keyword to True'\n+        print('Do you want to add this on? if so please turn '\n+              'the addon keyword to True')\n     elif addon and dia is None:\n-        print 'Please pass the previous Taylor Diagram Instance with dia keyword...'\n+        print('Please pass the previous Taylor Diagram Instance with dia '\n+              'keyword...')\n     else:\n         cc = corrcoef(df.Obs.values, df.CMAQ.values)[0, 1]\n-        dia.add_sample(df.CMAQ.std(), cc, marker=marker, zorder=9, ls=None, label=label)\n+        dia.add_sample(\n+            df.CMAQ.std(), cc, marker=marker, zorder=9, ls=None, label=label)\n         plt.legend(fontsize='small', loc='best')\n         plt.tight_layout()\n     return dia\ndiff --git a/monet/plots/taylordiagram.py b/monet/plots/taylordiagram.py\n--- a/monet/plots/taylordiagram.py\n+++ b/monet/plots/taylordiagram.py\n@@ -1,24 +1,18 @@\n-#!/usr/bin/env python\n-# Copyright: This document has been placed in the public domain.\n-\n \"\"\"\n Taylor diagram (Taylor, 2001) test implementation.\n http://www-pcmdi.llnl.gov/about/staff/Taylor/CV/Taylor_diagram_primer.htm\n \"\"\"\n-from __future__ import division\n-from __future__ import print_function\n-\n-from builtins import zip\n-from builtins import map\n-from builtins import object\n-from past.utils import old_div\n+from __future__ import division, print_function\n \n-__version__ = \"Time-stamp: <2012-02-17 20:59:35 ycopin>\"\n-__author__ = \"Yannick Copin <yannick.copin@laposte.net>\"\n+from builtins import map, object, zip\n \n import matplotlib.pyplot as PLT\n import numpy as NP\n import seaborn as sns\n+from past.utils import old_div\n+\n+__version__ = \"Time-stamp: <2012-02-17 20:59:35 ycopin>\"\n+__author__ = \"Yannick Copin <yannick.copin@laposte.net>\"\n \n colors = ['#DA70D6', '#228B22', '#FA8072', '#FF1493']\n sns.set_palette(sns.color_palette(colors))\n@@ -53,13 +47,16 @@ def __init__(self, refstd, fig=None, rect=111, label='_'):\n         # Standard deviation axis extent\n         self.smin = 0\n         self.smax = 1.5 * self.refstd\n-\n-        ghelper = FA.GridHelperCurveLinear(tr,\n-                                           extremes=(0, old_div(NP.pi, 2),  # 1st quadrant\n-                                                     self.smin, self.smax),\n-                                           grid_locator1=gl1,\n-                                           tick_formatter1=tf1,\n-                                           )\n+        ghelper = FA.GridHelperCurveLinear(\n+            tr,\n+            extremes=(\n+                0,\n+                old_div(NP.pi, 2),  # 1st quadrant\n+                self.smin,\n+                self.smax),\n+            grid_locator1=gl1,\n+            tick_formatter1=tf1,\n+        )\n \n         if fig is None:\n             fig = PLT.figure()\n@@ -91,8 +88,8 @@ def __init__(self, refstd, fig=None, rect=111, label='_'):\n \n         # Add reference point and stddev contour\n         print(\"Reference std:\", self.refstd)\n-        l, = self.ax.plot([0], self.refstd, 'k*',\n-                          ls='', ms=10, label=label)\n+        l, = self.ax.plot(\n+            [0], self.refstd, 'r*', ls='', ms=14, label=label, zorder=10)\n         t = NP.linspace(0, old_div(NP.pi, 2))\n         r = NP.zeros_like(t) + self.refstd\n         self.ax.plot(t, r, 'k--', label='_')\n@@ -104,9 +101,8 @@ def add_sample(self, stddev, corrcoef, *args, **kwargs):\n         \"\"\"Add sample (stddev,corrcoeff) to the Taylor diagram. args\n         and kwargs are directly propagated to the Figure.plot\n         command.\"\"\"\n-\n-        l, = self.ax.plot(NP.arccos(corrcoef), stddev,\n-                          *args, **kwargs)  # (theta,radius)\n+        l, = self.ax.plot(NP.arccos(corrcoef), stddev, *args,\n+                          **kwargs)  # (theta,radius)\n         self.samplePoints.append(l)\n \n         return l\n@@ -114,10 +110,12 @@ def add_sample(self, stddev, corrcoef, *args, **kwargs):\n     def add_contours(self, levels=5, **kwargs):\n         \"\"\"Add constant centered RMS difference contours.\"\"\"\n \n-        rs, ts = NP.meshgrid(NP.linspace(self.smin, self.smax),\n-                             NP.linspace(0, old_div(NP.pi, 2)))\n+        rs, ts = NP.meshgrid(\n+            NP.linspace(self.smin, self.smax), NP.linspace(\n+                0, old_div(NP.pi, 2)))\n         # Compute centered RMS difference\n-        rms = NP.sqrt(self.refstd ** 2 + rs ** 2 - 2 * self.refstd * rs * NP.cos(ts))\n+        rms = NP.sqrt(self.refstd**2 + rs**2 -\n+                      2 * self.refstd * rs * NP.cos(ts))\n \n         contours = self.ax.contour(ts, rs, rms, levels, **kwargs)\n \ndiff --git a/monet/util/__init__.py b/monet/util/__init__.py\n--- a/monet/util/__init__.py\n+++ b/monet/util/__init__.py\n@@ -1,7 +1,7 @@\n from __future__ import absolute_import, print_function\n \n-from . import mystats  # , tools\n+from . import mystats, tools, interp_util, resample\n \n-__all__ = ['mystats', 'tools']\n+__all__ = ['mystats', 'tools', 'interp_util', 'resample']\n \n-__name__ = 'util'\n+#__name__ = 'util'\ndiff --git a/monet/util/interp_util.py b/monet/util/interp_util.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/util/interp_util.py\n@@ -0,0 +1,276 @@\n+\"\"\" Interpolation functions \"\"\"\n+from __future__ import print_function\n+\n+from builtins import str, zip\n+\n+\n+def lonlat_to_swathdefinition(longitude=None, latitude=None):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    longitude : type\n+        Description of parameter `longitude`.\n+    latitude : type\n+        Description of parameter `latitude`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    from pyresample.geometry import SwathDefinition\n+    from numpy import vstack\n+    if len(longitude.shape) < 2:\n+        lons = vstack(longitude)\n+        lats = vstack(latitude)\n+    else:\n+        lons = longitude\n+        lats = latitude\n+    return SwathDefinition(lons=lons, lats=lats)\n+\n+\n+def nearest_point_swathdefinition(longitude=None, latitude=None):\n+    \"\"\"Creates a pyreample.geometry.SwathDefinition for a single point.\n+\n+    Parameters\n+    ----------\n+    longitude : float\n+        longitude.\n+    latitude : float\n+        latitude.\n+\n+    Returns\n+    -------\n+    pyreample.geometry.SwathDefinition\n+\n+\n+    \"\"\"\n+    from pyresample.geometry import SwathDefinition\n+    from numpy import vstack\n+    lons = vstack([longitude])\n+    lats = vstack([latitude])\n+    return SwathDefinition(lons=lons, lats=lats)\n+\n+\n+def constant_lat_swathdefition(longitude=None, latitude=None):\n+    \"\"\"Creates a pyreample.geometry.SwathDefinition with a constant latitude along\n+    the longitude array.  Longitude can be a 1d or 2d np.array or xr.DataArray\n+\n+    Parameters\n+    ----------\n+    longitude : numpy.array or xarray.DataArray\n+        Array of longitude values\n+    latitude : float\n+        latitude for constant\n+\n+    Returns\n+    -------\n+    pyreample.geometry.SwathDefinition\n+\n+    \"\"\"\n+    from pyresample import geometry\n+    from xarray import DataArray\n+    from numpy import vstack\n+    if len(longitude.shape) < 2:\n+        lons = vstack(longitude)\n+    else:\n+        lons = longitude\n+    lats = lons * 0. + latitude\n+    if isinstance(lats, DataArray):\n+        lats.name = 'lats'\n+    return geometry.SwathDefinition(lons=lons, lats=lats)\n+\n+\n+def constant_lon_swathdefition(longitude=None, latitude=None):\n+    \"\"\"Creates a pyreample.geometry.SwathDefinition with a constant longitude along\n+    the latitude array.  latitude can be a 1d or 2d np.array or xr.DataArray\n+\n+    Parameters\n+    ----------\n+    longitude :\n+        latitude for constant\n+    latitude : numpy.array or xarray.DataArray\n+        Array of longitude values\n+\n+    Returns\n+    -------\n+    pyreample.geometry.SwathDefinition\n+\n+    \"\"\"\n+    from pyresample import geometry\n+    from xarray import DataArray\n+    from numpy import vstack\n+    if len(latitude.shape) < 2:\n+        lats = vstack(latitude)\n+    else:\n+        lats = latitude\n+    lons = lats * 0. + longitude\n+    if isinstance(lats, DataArray):\n+        lons.name = 'lons'\n+    return geometry.SwathDefinition(lons=lons, lats=lats)\n+\n+\n+def get_smops_area_def(nx=1440, ny=720):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    nx : type\n+        Description of parameter `nx` (the default is 1440).\n+    ny : type\n+        Description of parameter `ny` (the default is 720).\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    from pyproj import Proj\n+    from pyresample import utils\n+    p = Proj(\n+        proj='eqc',\n+        lat_ts=0.,\n+        lat_0=0.,\n+        lon_0=0.,\n+        x_0=0.,\n+        y_0=0.,\n+        a=6378137,\n+        b=6378137,\n+        units='m')\n+    proj4_args = p.srs\n+    area_name = 'Global .25 degree SMOPS Grid'\n+    area_id = 'smops'\n+    proj_id = area_id\n+    aa = p([-180, 180], [-90, 90])\n+    area_extent = (aa[0][0], aa[1][0], aa[0][1], aa[1][1])\n+    area_def = utils.get_area_def(area_id, area_name, proj_id, proj4_args, nx,\n+                                  ny, area_extent)\n+    return area_def\n+\n+\n+def get_gfs_area_def(nx=1440, ny=721):\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    nx : type\n+        Description of parameter `nx` (the default is 1440).\n+    ny : type\n+        Description of parameter `ny` (the default is 721).\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    from pyresample import utils\n+    from pyproj import Proj\n+    # proj4_args = '+proj=eqc +lat_ts=0 +lat_0=0 +lon_0=0 +x_0=0\n+    # +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m'\n+    p = Proj(\n+        proj='eqc',\n+        lat_ts=0.,\n+        lat_0=0.,\n+        lon_0=0.,\n+        x_0=0.,\n+        y_0=0.,\n+        a=6378137,\n+        b=6378137,\n+        units='m')\n+    proj4_args = p.srs\n+    area_name = 'Global .25 degree SMOPS Grid'\n+    area_id = 'smops'\n+    proj_id = area_id\n+    aa = p([0, 360 - .25], [-90, 90.])\n+    area_extent = (aa[0][0], aa[1][0], aa[0][1], aa[1][1])\n+    area_def = utils.get_area_def(area_id, area_name, proj_id, proj4_args, nx,\n+                                  ny, area_extent)\n+    return area_def\n+\n+\n+def geotiff_meta_to_areadef(meta):\n+    \"\"\"\n+    Transform (Rasterio) geotiff meta dictionary to pyresample area definition\n+    Arguments:\n+     meta (dictionary) : dictionary containing projection and image geometry\n+                         information (formed by Rasterio)\n+    Returns:\n+         area_def (pyresample.geometry.AreaDefinition) : Area definition object\n+    \"\"\"\n+    import pyresample\n+    area_id = \"\"\n+    name = \"\"\n+    proj_id = \"Generated from GeoTIFF\"\n+    proj_dict = meta['crs']\n+    proj_dict_with_string_values = dict(\n+        list(\n+            zip([str(key) for key in list(proj_dict.keys())],\n+                [str(value) for value in list(proj_dict.values())])))\n+    x_size = meta['width']\n+    x_res = meta['transform'][0]\n+    y_res = meta['transform'][4] * -1\n+    y_size = meta['height']\n+    x_ll = meta['transform'][2]\n+    y_ur = meta['transform'][5]\n+    y_ll = y_ur - y_size * y_res\n+    x_ur = x_ll + x_size * x_res\n+    area_extent = [x_ll, y_ll, x_ur, y_ur]\n+    print(area_extent, x_size, y_size, x_res, y_res)\n+\n+    area_def = pyresample.geometry.AreaDefinition(\n+        area_id, name, proj_id, proj_dict_with_string_values, x_size, y_size,\n+        area_extent)\n+    # print(area_extent, x_size, y_size)\n+    return area_def\n+\n+\n+def geotiff_meta_to_areadef2(meta):\n+    \"\"\"\n+    Transform (Rasterio) geotiff meta dictionary to pyresample area definition\n+    Arguments:\n+     meta (dictionary) : dictionary containing projection and image geometry\n+                         information (formed by Rasterio)\n+    Returns:\n+         area_def (pyresample.geometry.AreaDefinition) : Area definition object\n+    \"\"\"\n+    import pyresample\n+    area_id = \"\"\n+    name = \"\"\n+    proj_id = \"Generated from GeoTIFF\"\n+    proj_dict = meta['crs']\n+    proj_dict_with_string_values = dict(\n+        list(\n+            zip([str(key) for key in list(proj_dict.keys())],\n+                [str(value) for value in list(proj_dict.values())])))\n+    x_size = meta['width']\n+    x_res = 50000.\n+    y_res = 50000.\n+    y_size = meta['height']\n+    x_ll = meta['transform'][2]\n+    y_ur = meta['transform'][5]\n+    y_ll = y_ur - y_size * y_res\n+    x_ur = x_ll + x_size * x_res\n+    area_extent = [x_ll, y_ll, x_ur, y_ur]\n+    print(area_extent, x_size, y_size, x_res, y_res)\n+\n+    area_def = pyresample.geometry.AreaDefinition(\n+        area_id, name, proj_id, proj_dict_with_string_values, x_size, y_size,\n+        area_extent)\n+    return area_def\n+    \"\"\"Short summary.\n+\n+    Parameters\n+    ----------\n+    meta : type\n+        Description of parameter `meta`.\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\ndiff --git a/monet/util/mystats.py b/monet/util/mystats.py\n--- a/monet/util/mystats.py\n+++ b/monet/util/mystats.py\n@@ -18,27 +18,33 @@ def STDP(obs, mod, axis=None):\n \n def MNB(obs, mod, axis=None):\n     \"\"\" Mean Normalized Bias (%)\"\"\"\n-    return np.ma.masked_invalid(old_div((mod - obs), obs)).mean(axis=axis) * 100.\n+    return np.ma.masked_invalid(old_div(\n+        (mod - obs), obs)).mean(axis=axis) * 100.\n+\n \n \n def MNE(obs, mod, axis=None):\n     \"\"\" Mean Normalized Gross Error (%)\"\"\"\n-    return np.ma.masked_invalid(old_div(np.ma.abs(mod - obs), obs)).mean(axis=axis) * 100.\n-\n+    return np.ma.masked_invalid(old_div(np.ma.abs(mod - obs),\n+                                        obs)).mean(axis=axis) * 100.\n \n def MdnNB(obs, mod, axis=None):\n     \"\"\" Median Normalized Bias (%)\"\"\"\n-    return np.ma.median(np.ma.masked_invalid(old_div((mod - obs), obs)), axis=axis) * 100.\n-\n+    return np.ma.median(\n+        np.ma.masked_invalid(old_div((mod - obs), obs)), axis=axis) * 100.\n \n def MdnNE(obs, mod, axis=None):\n     \"\"\" Median Normalized Gross Error (%)\"\"\"\n-    return np.ma.median(np.ma.masked_invalid(old_div(np.ma.abs(mod - obs), obs)), axis=axis) * 100.\n+    return np.ma.median(\n+        np.ma.masked_invalid(old_div(np.ma.abs(mod - obs), obs)),\n+        axis=axis) * 100.\n \n \n-def NMdnE(obs, mod, axis=None):\n+def NMdnGE(obs, mod, axis=None):\n     \"\"\" Normalized Median Gross Error (%)\"\"\"\n-    return np.ma.masked_invalid(old_div(np.ma.abs(mod - obs).mean(axis=axis), obs.mean(axis=axis))) * 100.\n+    return np.ma.masked_invalid(\n+        old_div(np.ma.abs(mod - obs).mean(axis=axis),\n+                obs.mean(axis=axis))) * 100.\n \n \n def NO(obs, mod, axis=None):\n@@ -114,12 +120,15 @@ def NMB(obs, mod, axis=None):\n \n def NMdnB(obs, mod, axis=None):\n     \"\"\" Normalized Median Bias (%)\"\"\"\n-    return np.ma.median(mod - obs, axis=axis) / np.ma.median(obs, axis=axis) * 100.\n+    return np.ma.median(\n+        mod - obs, axis=axis) / np.ma.median(\n+            obs, axis=axis) * 100.\n \n \n def FB(obs, mod, axis=None):\n     \"\"\" Fractional Bias (%)\"\"\"\n-    return ((np.ma.masked_invalid(old_div((mod - obs), (mod + obs)))).mean(axis=axis) * 2.) * 100.\n+    return ((np.ma.masked_invalid(old_div(\n+        (mod - obs), (mod + obs)))).mean(axis=axis) * 2.) * 100.\n \n \n def ME(obs, mod, axis=None):\n@@ -145,73 +154,93 @@ def WDMdnE(obs, mod, axis=None):\n \n def NME(obs, mod, axis=None):\n     \"\"\" Normalized Mean Error (%)\"\"\"\n-    out = (old_div(np.ma.abs(mod - obs).sum(axis=axis), obs.sum(axis=axis))) * 100\n+    out = (old_div(np.ma.abs(mod - obs).sum(axis=axis),\n+                   obs.sum(axis=axis))) * 100\n     return out\n \n \n def NMdnE(obs, mod, axis=None):\n     \"\"\" Normalized Median Error (%)\"\"\"\n-    out = np.ma.median(np.ma.abs(mod - obs), axis=axis) / np.ma.median(obs, axis=axis) * 100\n+    out = np.ma.median(\n+        np.ma.abs(mod - obs), axis=axis) / np.ma.median(\n+            obs, axis=axis) * 100\n     return out\n \n \n def FE(obs, mod, axis=None):\n     \"\"\" Fractional Error (%)\"\"\"\n-    return (old_div(np.ma.abs(mod - obs), (mod + obs))).mean(axis=axis) * 2. * 100.\n+    return (old_div(np.ma.abs(mod - obs),\n+                    (mod + obs))).mean(axis=axis) * 2. * 100.\n \n \n def USUTPB(obs, mod, axis=None):\n     \"\"\" Unpaired Space/Unpaired Time Peak Bias (%)\"\"\"\n-    return (old_div((mod.max(axis=axis) - obs.max(axis=axis)), obs.max(axis=axis))) * 100.\n+    return (old_div(\n+        (mod.max(axis=axis) - obs.max(axis=axis)), obs.max(axis=axis))) * 100.\n \n \n def USUTPE(obs, mod, axis=None):\n     \"\"\" Unpaired Space/Unpaired Time Peak Error (%)\"\"\"\n-    return (old_div(np.ma.abs(mod.max(axis=axis) - obs.max(axis=axis)), obs.max(axis=axis))) * 100.\n+    return (old_div(\n+        np.ma.abs(mod.max(axis=axis) - obs.max(axis=axis)),\n+        obs.max(axis=axis))) * 100.\n \n \n def MNPB(obs, mod, paxis, axis=None):\n     \"\"\" Mean Normalized Peak Bias (%)\"\"\"\n-    return (old_div((mod.max(axis=paxis) - obs.max(axis=paxis)), obs.max(axis=paxis))).mean(axis=axis) * 100.\n+    return (old_div(\n+        (mod.max(axis=paxis) - obs.max(axis=paxis)),\n+        obs.max(axis=paxis))).mean(axis=axis) * 100.\n \n \n def MdnNPB(obs, mod, paxis, axis=None):\n     \"\"\" Median Normalized Peak Bias (%)\"\"\"\n-    return np.ma.median(old_div((mod.max(axis=paxis) - obs.max(axis=paxis)), obs.max(axis=paxis)), axis=axis) * 100.\n+    return np.ma.median(\n+        old_div(\n+            (mod.max(axis=paxis) - obs.max(axis=paxis)), obs.max(axis=paxis)),\n+        axis=axis) * 100.\n \n \n def MNPE(obs, mod, paxis, axis=None):\n     \"\"\" Mean Normalized Peak Error (%)\"\"\"\n-    return (old_div((np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))), obs.max(axis=paxis))).mean(axis=axis) * 100.\n-\n+    return (old_div(\n+        (np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))),\n+        obs.max(axis=paxis))).mean(axis=axis) * 100.\n \n def MdnNPE(obs, mod, paxis, axis=None):\n     \"\"\" Median Normalized Peak Bias (%)\"\"\"\n-    return np.ma.median(old_div((np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))), obs.max(axis=paxis)),\n-                        axis=axis) * 100.\n+    return np.ma.median(\n+        old_div(\n+            (np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))),\n+            obs.max(axis=paxis)),\n+        axis=axis) * 100.\n \n \n def NMPB(obs, mod, paxis, axis=None):\n     \"\"\" Normalized Mean Peak Bias (%)\"\"\"\n-    return (mod.max(axis=paxis) - obs.max(axis=paxis)).mean(axis=axis) / obs.max(axis=paxis).mean(axis=axis) * 100.\n+    return (mod.max(axis=paxis) - obs.max(axis=paxis)\n+            ).mean(axis=axis) / obs.max(axis=paxis).mean(axis=axis) * 100.\n \n \n def NMdnPB(obs, mod, paxis, axis=None):\n     \"\"\" Normalized Median Peak Bias (%)\"\"\"\n-    return np.ma.median((mod.max(axis=paxis) - obs.max(axis=paxis)), axis=axis) / np.ma.median(obs.max(axis=paxis),\n-                                                                                               axis=axis) * 100.\n+    return np.ma.median(\n+        (mod.max(axis=paxis) - obs.max(axis=paxis)), axis=axis) / np.ma.median(\n+            obs.max(axis=paxis), axis=axis) * 100.\n \n \n def NMPE(obs, mod, paxis, axis=None):\n     \"\"\" Normalized Mean Peak Error (%)\"\"\"\n-    return (np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))).mean(axis=axis) / obs.max(axis=paxis).mean(\n-        axis=axis) * 100.\n+    return (np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis))\n+            ).mean(axis=axis) / obs.max(axis=paxis).mean(axis=axis) * 100.\n \n \n def NMdnPE(obs, mod, paxis, axis=None):\n     \"\"\" Normalized Median Peak Bias (%)\"\"\"\n-    return np.ma.median(np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis)), axis=axis) / np.ma.median(\n-        obs.max(axis=paxis), axis=axis) * 100.\n+    return np.ma.median(\n+        np.ma.abs(mod.max(axis=paxis) - obs.max(axis=paxis)),\n+        axis=axis) / np.ma.median(\n+            obs.max(axis=paxis), axis=axis) * 100.\n \n \n def PSUTMNPB(obs, mod, axis=None):\n@@ -259,19 +288,19 @@ def R2(obs, mod, axis=None):\n     from scipy.stats import pearsonr\n     if axis is None:\n         obsc, modc = matchedcompressed(obs, mod)\n-        return pearsonr(obsc, modc)[0] ** 2\n+        return pearsonr(obsc, modc)[0]**2\n     else:\n         raise ValueError('Not ready yet')\n \n \n def RMSE(obs, mod, axis=None):\n     \"\"\" Root Mean Square Error (model unit)\"\"\"\n-    return np.ma.sqrt(((mod - obs) ** 2).mean(axis=axis))\n+    return np.ma.sqrt(((mod - obs)**2).mean(axis=axis))\n \n \n def WDRMSE(obs, mod, axis=None):\n     \"\"\" Wind Direction Root Mean Square Error (model unit)\"\"\"\n-    return np.ma.sqrt(((circlebias(mod - obs)) ** 2).mean(axis=axis))\n+    return np.ma.sqrt(((circlebias(mod - obs))**2).mean(axis=axis))\n \n \n def RMSEs(obs, mod, axis=None):\n@@ -316,13 +345,17 @@ def RMSEu(obs, mod, axis=None):\n \n def d1(obs, mod, axis=None):\n     \"\"\" Modified Index of Agreement, d1\"\"\"\n-    return 1.0 - old_div((np.ma.abs(obs - mod)).sum(axis=axis), (\n-            np.ma.abs(mod - obs.mean(axis=axis)) + np.ma.abs(obs - obs.mean(axis=axis))).sum(axis=axis))\n+    return 1.0 - old_div(\n+        (np.ma.abs(obs - mod)).sum(axis=axis),\n+        (np.ma.abs(mod - obs.mean(axis=axis)) +\n+         np.ma.abs(obs - obs.mean(axis=axis))).sum(axis=axis))\n \n \n def E1(obs, mod, axis=None):\n     \"\"\" Modified Coefficient of Efficiency, E1\"\"\"\n-    return 1.0 - old_div((np.ma.abs(obs - mod)).sum(axis=axis), (np.ma.abs(obs - obs.mean(axis=axis))).sum(axis=axis))\n+    return 1.0 - old_div(\n+        (np.ma.abs(obs - mod)).sum(axis=axis),\n+        (np.ma.abs(obs - obs.mean(axis=axis))).sum(axis=axis))\n \n \n def IOA(obs, mod, axis=None):\n@@ -330,8 +363,10 @@ def IOA(obs, mod, axis=None):\n     obsmean = obs.mean(axis=axis)\n     if not axis is None:\n         obsmean = np.expand_dims(obsmean, axis=axis)\n-    return 1.0 - old_div((np.ma.abs(obs - mod) ** 2).sum(axis=axis), (\n-            (np.ma.abs(mod - obsmean) + np.ma.abs(obs - obsmean)) ** 2).sum(axis=axis))\n+    return 1.0 - old_div(\n+        (np.ma.abs(obs - mod)**2).sum(axis=axis),\n+        ((np.ma.abs(mod - obsmean) + np.ma.abs(obs - obsmean)) **\n+         2).sum(axis=axis))\n \n \n def circlebias(b):\n@@ -351,7 +386,9 @@ def WDIOA(obs, mod, axis=None):\n \n     ohat = circlebias(obs - obsmean)\n \n-    return 1.0 - old_div((np.ma.abs(b) ** 2).sum(axis=axis), ((np.ma.abs(bhat) + np.ma.abs(ohat)) ** 2).sum(axis=axis))\n+    return 1.0 - old_div(\n+        (np.ma.abs(b)**2).sum(axis=axis),\n+        ((np.ma.abs(bhat) + np.ma.abs(ohat))**2).sum(axis=axis))\n \n \n def AC(obs, mod, axis=None):\n@@ -360,7 +397,8 @@ def AC(obs, mod, axis=None):\n     if not axis is None:\n         obs_bar = np.expand_dims(obs_bar, axis=axis)\n     p1 = ((mod - obs_bar) * (obs - obs_bar)).sum(axis=axis)\n-    p2 = (((mod - obs_bar) ** 2).sum(axis=axis) * ((obs - obs_bar) ** 2).sum(axis=axis)) ** 0.5\n+    p2 = (((mod - obs_bar)**2).sum(axis=axis) * (\n+        (obs - obs_bar)**2).sum(axis=axis))**0.5\n     return old_div(p1, p2)\n \n \n@@ -370,7 +408,8 @@ def WDAC(obs, mod, axis=None):\n     if not axis is None:\n         obs_bar = np.expand_dims(obs_bar, axis=axis)\n     p1 = (circlebias(mod - obs_bar) * circlebias(obs - obs_bar)).sum(axis=axis)\n-    p2 = ((circlebias(mod - obs_bar) ** 2).sum(axis=axis) * (circlebias(obs - obs_bar) ** 2).sum(axis=axis)) ** 0.5\n+    p2 = ((circlebias(mod - obs_bar)**2).sum(axis=axis) *\n+          (circlebias(obs - obs_bar)**2).sum(axis=axis))**0.5\n     return old_div(p1, p2)\n \n \n@@ -410,8 +449,10 @@ def scores(obs, mod, minval, maxval=1.0e5):\n     d['obs'] = obs\n     d['mod'] = mod\n     df = DataFrame(d)\n-    ct = crosstab((df['mod'] > minval) & (df['mod'] < maxval), (df['obs'] > minval) & (df['obs'] < maxval),\n-                  margins=True)\n+    ct = crosstab(\n+        (df['mod'] > minval) & (df['mod'] < maxval),\n+        (df['obs'] > minval) & (df['obs'] < maxval),\n+        margins=True)\n     #    print ct\n     a = ct[1][1].astype('float')\n     b = ct[1][0].astype('float')\ndiff --git a/monet/util/resample.py b/monet/util/resample.py\nnew file mode 100644\n--- /dev/null\n+++ b/monet/util/resample.py\n@@ -0,0 +1,144 @@\n+from pyresample.kd_tree import XArrayResamplerNN\n+from pyresample.bilinear.xarr import XArrayResamplerBilinear\n+import xarray as xr\n+from pyresample.geometry import SwathDefinition, AreaDefinition\n+\n+\n+def _ensure_swathdef_compatability(defin):\n+    \"\"\"ensures the SwathDefinition is compatible with XArrayResamplerNN.\n+\n+    Parameters\n+    ----------\n+    defin : pyresample SwathDefinition\n+        a pyresample.geometry.SwathDefinition instance\n+\n+    Returns\n+    -------\n+    type\n+        Description of returned object.\n+\n+    \"\"\"\n+    if isinstance(defin.lons, xr.DataArray):\n+        return defin  # do nothing\n+    else:\n+        defin.lons = xr.DataArray(defin.lons, dims=['y', 'x']).chunk()\n+        defin.lats = xr.DataArray(defin.lons, dims=['y', 'x']).chunk()\n+        return defin\n+\n+\n+def _check_swath_or_area(defin):\n+    \"\"\"Checks for a SwathDefinition or AreaDefinition. If AreaDefinition do\n+    nothing else ensure compatability with XArrayResamplerNN\n+\n+    Parameters\n+    ----------\n+    defin : pyresample SwathDefinition or AreaDefinition\n+        Description of parameter `defin`.\n+\n+    Returns\n+    -------\n+    pyresample.geometry\n+        SwathDefinition or AreaDefinition\n+\n+    \"\"\"\n+    try:\n+        if isinstance(defin, SwathDefinition):\n+            newswath = _ensure_swathdef_compatability(defin)\n+        elif isinstance(defin, AreaDefinition):\n+            newswath = defin\n+        else:\n+            raise RuntimeError\n+    except RuntimeError:\n+        print('grid definition must be a pyresample SwathDefinition or '\n+              'AreaDefinition')\n+        return\n+    return newswath\n+\n+\n+def _reformat_resampled_data(orig, new, target_grid):\n+    \"\"\"reformats the resampled data array filling in coords, name and attrs .\n+\n+    Parameters\n+    ----------\n+    orig : xarray.DataArray\n+        original input DataArray.\n+    new : xarray.DataArray\n+        resampled xarray.DataArray\n+    target_grid : pyresample.geometry\n+        target grid is the target SwathDefinition or AreaDefinition\n+\n+    Returns\n+    -------\n+    xarray.DataArray\n+        reformated xarray.DataArray\n+\n+    \"\"\"\n+    target_lon, target_lat = target_grid.get_lonlats_dask()\n+    new.name = orig.name\n+    new['latitude'] = (('y', 'x'), target_lat)\n+    new['longitude'] = (('y', 'x'), target_lon)\n+    new.attrs['area'] = target_grid\n+    return new\n+\n+\n+def resample_dataset(data,\n+                     target_grid,\n+                     radius_of_influence=100e3,\n+                     resample_cache=None,\n+                     return_neighbor_info=False,\n+                     neighbours=1,\n+                     epsilon=0,\n+                     interp='nearest'):\n+    # first get the source grid definition\n+    try:\n+        if 'area' in data.attrs:\n+            source_grid = data.attrs['area']\n+        else:\n+            raise RuntimeError\n+    except RuntimeError:\n+        print('Must include pyresample.gemoetry in the data.attrs area_def or '\n+              'area')\n+        return\n+\n+    # check for SwathDefinition or AreaDefinition\n+    # if swath ensure it is xarray.DataArray and not numpy for chunking\n+    source_grid = _check_swath_or_area(source_grid)\n+\n+    # set kwargs for XArrayResamplerNN\n+    kwargs = dict(\n+        source_geo_def=source_grid,\n+        target_geo_def=target_grid,\n+        radius_of_influence=radius_of_influence,\n+        neighbours=neighbours,\n+        epsilon=epsilon)\n+    if interp is 'nearest':\n+        resampler = XArrayResamplerNN(**kwargs)\n+    else:\n+        resampler = XArrayResamplerBilinear(**kwargs)\n+\n+    # check if resample cash is none else assume it is a dict with keys\n+    #[valid_input_index, valid_output_index, index_array, distance_array]\n+    # else generate the data\n+    if resample_cache is None:\n+        valid_input_index, valid_output_index, index_array, distance_array = resampler.get_neighbour_info(\n+        )\n+    else:\n+        resampler.valid_input_index = resample_cache['valid_input_index']\n+        resampler.valid_output_index = resample_cache['valid_output_index']\n+        resampler.index_array = resample_cache['index_array']\n+        resampler.distance_array = resample_cache['distance_array']\n+\n+    # now store the resampled data temporarily in temp\n+    temp = resampler.get_sample_from_neighbour_info(data)\n+\n+    # reformat data from temp\n+    out = _reformat_resampled_data(data, temp, target_grid)\n+    if return_neighbor_info:\n+        resample_cache = dict(\n+            valid_input_index=valid_input_index,\n+            valid_output_index=valid_output_index,\n+            index_array=index_array,\n+            distance_array=distance_array)\n+        return out, resample_cache\n+    else:\n+        return out\ndiff --git a/monet/util/tools.py b/monet/util/tools.py\n--- a/monet/util/tools.py\n+++ b/monet/util/tools.py\n@@ -3,7 +3,6 @@\n from builtins import range\n \n import numpy as np\n-from past.utils import old_div\n \n __author__ = 'barry'\n \n@@ -74,3 +73,16 @@ def wsdir2uv(ws, wdir):\n     u = -ws * sin(wdir * pi / 180.)\n     v = -ws * cos(wdir * pi / 180.)\n     return u, v\n+\n+def long_to_wide(df):\n+    from pandas import Series, merge\n+    w = df.pivot_table(\n+        values='obs', index=['time', 'siteid'],\n+        columns='variable').reset_index()\n+    cols = Series(df.columns)\n+    g = df.groupby('variable')\n+    for name, group in g:\n+        w[name + '_unit'] = group.units.unique()[0]\n+    #mergeon = hstack((index.values, df.variable.unique()))\n+    return merge(w, df, on=['siteid', 'time'])\n+\ndiff --git a/monet/verification/__init__.py b/monet/verification/__init__.py\n--- a/monet/verification/__init__.py\n+++ b/monet/verification/__init__.py\n@@ -1,7 +1,7 @@\n from __future__ import absolute_import, print_function\n \n-from . import combine, interpolation, verify\n+from . import verify\n \n-__all__ = ['combine', 'interpolation', 'verify']\n+__all__ = ['verify']\n \n __name__ = 'verification'\ndiff --git a/monet/verification/verify.py b/monet/verification/verify.py\n--- a/monet/verification/verify.py\n+++ b/monet/verification/verify.py\n@@ -1,204 +1,436 @@\n-from __future__ import absolute_import, print_function\n+\"\"\"This needs to be modularized for plotting\"\"\"\n+# from __future__ import absolute_import, print_function\n+#\n+# from builtins import object\n+#\n+# import pandas as pd\n+#\n+# from ..plots import plots\n+#\n+#\n+# class VERIFY(object):\n+#     def __init__(self, input, obs=None, model=None):\n+#         self.dset = input\n+#         self.obs = obs\n+#         self.model = model\n+#         self.default_scatter_args = {'s': 20, 'edgecolors': 'w', 'lw': .25}\n+#\n+#     def point(self,\n+#               param,\n+#               plot_type=None,\n+#               label=None,\n+#               title=None,\n+#               ax=None,\n+#               plotargs={},\n+#               fillargs={'alpha': .2},\n+#               marker='o',\n+#               **kwargs):\n+#         if isinstance(self.dset, pd.DataFrame):\n+#             if self.obs.objtype is 'AQS' or self.obs.objtype is 'AirNow':\n+#                 df, title = self.subset_epa(self.dset, param, **kwargs)\n+#             elif self.obs.objtype is 'CRN' or self.obs.objtype is 'ISH':\n+#                 df, title = self.subset_crn(self.dset, **kwargs)\n+#             else:\n+#                 df = self.pair\n+#                 if title is not None:\n+#                     title = ''\n+#             df.index = df.time\n+#             print(plot_type)\n+#             if plot_type.lower() == 'timeseries':\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='model',\n+#                     label=label,\n+#                     title=title,\n+#                     timeseries=True,\n+#                     plotargs=plotargs,\n+#                     fillargs=fillargs,\n+#                     ax=ax)\n+#                 plotargs['color'] = 'darkslategrey'\n+#                 fillargs['color'] = 'darkslategrey'\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='obs',\n+#                     ax=ax,\n+#                     title=title,\n+#                     timeseries=True,\n+#                     plotargs=plotargs,\n+#                     fillargs=fillargs)\n+#             elif plot_type.lower() == 'scatter':\n+#                 kwargs['x'] = 'obs'\n+#                 kwargs['y'] = 'model'\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='obs',\n+#                     col2='model',\n+#                     label=label,\n+#                     title=title,\n+#                     scatter=True)\n+#             elif plot_type.lower == 'box':\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='obs',\n+#                     col2='model',\n+#                     label=label,\n+#                     title=title,\n+#                     box=True,\n+#                     plotargs=plotargs)\n+#             elif plot_type.lower() == 'pdf':\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='model',\n+#                     label=label,\n+#                     title=title,\n+#                     pdf=True,\n+#                     plotargs=plotargs,\n+#                     ax=ax)\n+#                 plotargs['color'] = 'darkslategrey'\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='obs',\n+#                     label=self.obs.objtype,\n+#                     title=title,\n+#                     pdf=True,\n+#                     plotargs=plotargs,\n+#                     ax=ax)\n+#             elif plot_type.lower() == 'taylor':\n+#                 ax = self._point_plot(\n+#                     df,\n+#                     col1='model',\n+#                     label=label,\n+#                     title=title,\n+#                     taylor=True,\n+#                     plotargs=plotargs,\n+#                     fillargs=fillargs,\n+#                     marker=marker)\n+#         # elif\n+#         return ax\n+#\n+#     def _point_plot(self,\n+#                     df,\n+#                     label=None,\n+#                     title=None,\n+#                     ax=None,\n+#                     plotargs={},\n+#                     fillargs={},\n+#                     timeseries=False,\n+#                     scatter=False,\n+#                     pdf=False,\n+#                     taylor=False,\n+#                     box=False,\n+#                     col1=None,\n+#                     col2=None,\n+#                     marker='o',\n+#                     **kwargs):\n+#         import matplotlib.pyplot as plt\n+#         if timeseries:\n+#             ax = plots.timeseries(\n+#                 df,\n+#                 y=col1,\n+#                 title=title,\n+#                 label=label,\n+#                 ax=ax,\n+#                 plotargs=plotargs,\n+#                 fillargs=fillargs)\n+#             return ax\n+#         if scatter:\n+#             ax = plots.scatter(\n+#                 df, x=col1, y=col2, title=title, label=label, ax=ax, **kwargs)\n+#             return ax\n+#         if pdf:\n+#             ax = plots.kdeplot(\n+#                 df[col1], title=title, label=label, ax=ax, **plotargs)\n+#             ax.set_xlabel(df.variable.unique()[0] + ' (' +\n+#                           df.units.unique()[0] + ')')\n+#             return ax\n+#         if taylor:\n+#             if marker is None:\n+#                 marker = 'o'\n+#             if ax is None:\n+#                 dia = plots.taylordiagram(\n+#                     df, label=label, dia=ax, addon=False, marker=marker)\n+#                 return dia\n+#             else:\n+#                 dia = plots.taylordiagram(\n+#                     df, label=label, dia=ax, addon=True, marker=marker)\n+#                 plt.legend()\n+#                 return dia\n+#\n+#     def compare_surface(self, **kwargs):\n+#         \"\"\"Short summary.\n+#\n+#         Parameters\n+#         ----------\n+#         **kwargs : type\n+#             Description of parameter `**kwargs`.\n+#\n+#         Returns\n+#         -------\n+#         type\n+#             Description of returned object.\n+#\n+#         \"\"\"\n+#         if (self.obs.objtype is 'AQS' or self.obs.objtype is 'AirNow') and (\n+#                 self.model.objtype is 'CMAQ' or self.model.objtype is 'CAMX'):\n+#             self.compare_epa(**kwargs)\n+#\n+#     def compare_spatial(self, **kwargs):\n+#         \"\"\"Short summary.\n+#\n+#         Parameters\n+#         ----------\n+#         **kwargs : type\n+#             Description of parameter `**kwargs`.\n+#\n+#         Returns\n+#         -------\n+#         type\n+#             Description of returned object.\n+#\n+#         \"\"\"\n+#         if (self.obs.objtype is 'AQS' or self.obs.objtype is 'AIRNOW') and (\n+#                 self.model.objtype is 'CMAQ' or self.model.objtype is 'CAMX'):\n+#             self.compare_epa_spatial(**kwargs)\n+#\n+#     def compare_epa_spatial(self,\n+#                             model_param='O3',\n+#                             param='OZONE',\n+#                             date=None,\n+#                             imshow_args={},\n+#                             scatter_args={\n+#                                 's': 20,\n+#                                 'edgecolors': 'w',\n+#                                 'lw': .25\n+#                             },\n+#                             barbs_args={},\n+#                             barbs=False,\n+#                             Obs=True,\n+#                             ncolors=None,\n+#                             discrete=False,\n+#                             lay=None):\n+#         \"\"\"Short summary.\n+#\n+#         Parameters\n+#         ----------\n+#         model_param : type\n+#             Description of parameter `model_param` (the default is 'O3').\n+#         param : type\n+#             Description of parameter `param` (the default is 'OZONE').\n+#         date : type\n+#             Description of parameter `date` (the default is None).\n+#         imshow_args : type\n+#             Description of parameter `imshow_args` (the default is {}).\n+#         scatter_args : type\n+#             Description of parameter `scatter_args` (the default is {'s': 20).\n+#         'edgecolors': 'w' : type\n+#             Description of parameter `'edgecolors': 'w'`.\n+#         'lw': .25} : type\n+#             Description of parameter `'lw': .25}`.\n+#         barbs_args : type\n+#             Description of parameter `barbs_args` (the default is {}).\n+#         barbs : type\n+#             Description of parameter `barbs` (the default is False).\n+#         Obs : type\n+#             Description of parameter `Obs` (the default is True).\n+#         ncolors : type\n+#             Description of parameter `ncolors` (the default is None).\n+#         discrete : type\n+#             Description of parameter `discrete` (the default is False).\n+#         lay : type\n+#             Description of parameter `lay` (the default is None).\n+#\n+#         Returns\n+#         -------\n+#         type\n+#             Description of returned object.\n+#\n+#         :param param: variable Parameter: Acceptable variable: 'OZONE' 'PM2.5' 'CO' 'NOY' 'SO2' 'SO2' 'NOX'\n+#         :param region: EPA Region: 'Northeast', 'Southeast', 'North_Central', 'South_Central', 'Rockies', 'Pacific'\n+#         :param date: If not supplied will plot all time.  Put in 'YYYY-MM-DD HH:MM' for single time\n+#         :return:\n+#         \"\"\"\n+#         from numpy import where\n+#         if Obs:\n+#             try:\n+#                 g = self.obs.df.groupby('variable')\n+#                 df2 = g.get_group(param)\n+#             except KeyError:\n+#                 print(param + ' variable not available!!!!')\n+#                 exit\n+#         param = param.upper()\n+#         v = self.model.get_var(param=model_param, lay=lay)\n+#         m = self.cmaq.map\n+#         dts = v.time.to_index()\n+#         if isinstance(date, type(None)):\n+#             index = where(dts == dts[0])[0][0]\n+#         else:\n+#             index = where(dts.isin([date]))[0][0]\n+#         f, ax, c, cmap, vmin, vmax = plots.make_spatial_plot2(\n+#             self.model.dset[index, :, :].squeeze(),\n+#             m,\n+#             plotargs=imshow_args,\n+#             ncolors=ncolors,\n+#             discrete=discrete)\n+#         plt.tight_layout()\n+#         if Obs:\n+#             scatter_args['vmin'] = vmin\n+#             scatter_args['vmax'] = vmax\n+#             scatter_args['cmap'] = cmap\n+#             df2 = df2.loc[df2.datetime == dts[index]]\n+#             plots.spatial_scatter(df2, m, plotargs=scatter_args)\n+#             c.set_label(param + ' (' + g.get_group(param).Units.unique()[0] +\n+#                         ')')\n+#\n+#     @staticmethod\n+#     def subset_epa(df,\n+#                    param,\n+#                    site=None,\n+#                    city=None,\n+#                    state=None,\n+#                    region=None,\n+#                    epa_region=None):\n+#         from ..obs.epa_util import get_epa_location_df\n+#         if site is None and city is None and state is None and region is None and epa_region is None:\n+#             df2 = df.copy()\n+#             title = ' '\n+#         else:\n+#             df2, title = get_epa_location_df(\n+#                 df.copy(),\n+#                 param,\n+#                 site=site,\n+#                 city=city,\n+#                 state=state,\n+#                 region=region,\n+#                 epa_region=epa_region)\n+#         return df2, title\n+#\n+#     def compare_epa(self,\n+#                     param='OZONE',\n+#                     site='',\n+#                     city='',\n+#                     state='',\n+#                     epa_region='',\n+#                     region='',\n+#                     timeseries=False,\n+#                     scatter=False,\n+#                     pdfs=False,\n+#                     diffscatter=False,\n+#                     diffpdfs=False,\n+#                     timeseries_rmse=False,\n+#                     timeseries_mb=False,\n+#                     taylordiagram=False,\n+#                     ax=None,\n+#                     label=None,\n+#                     footer=False,\n+#                     dia=None,\n+#                     marker=None):\n+#         \"\"\"Short summary.\n+#\n+#         Parameters\n+#         ----------\n+#         param : type\n+#             Description of parameter `param` (the default is 'OZONE').\n+#         site : type\n+#             Description of parameter `site` (the default is '').\n+#         city : type\n+#             Description of parameter `city` (the default is '').\n+#         state : type\n+#             Description of parameter `state` (the default is '').\n+#         epa_region : type\n+#             Description of parameter `epa_region` (the default is '').\n+#         region : type\n+#             Description of parameter `region` (the default is '').\n+#         timeseries : type\n+#             Description of parameter `timeseries` (the default is False).\n+#         scatter : type\n+#             Description of parameter `scatter` (the default is False).\n+#         pdfs : type\n+#             Description of parameter `pdfs` (the default is False).\n+#         diffscatter : type\n+#             Description of parameter `diffscatter` (the default is False).\n+#         diffpdfs : type\n+#             Description of parameter `diffpdfs` (the default is False).\n+#         timeseries_rmse : type\n+#             Description of parameter `timeseries_rmse` (the default is False).\n+#         timeseries_mb : type\n+#             Description of parameter `timeseries_mb` (the default is False).\n+#         taylordiagram : type\n+#             Description of parameter `taylordiagram` (the default is False).\n+#         ax : type\n+#             Description of parameter `ax` (the default is None).\n+#         label : type\n+#             Description of parameter `label` (the default is None).\n+#         footer : type\n+#             Description of parameter `footer` (the default is False).\n+#         dia : type\n+#             Description of parameter `dia` (the default is None).\n+#         marker : type\n+#             Description of parameter `marker` (the default is None).\n+#\n+#         Returns\n+#         -------\n+#         type\n+#             Description of returned object.\n+#\n+#         \"\"\"\n+#         from numpy import NaN\n+#         from ..obs.epa_util import get_epa_location_df\n+#         df2, title = get_epa_location_df(\n+#             self.dset.copy(),\n+#             param,\n+#             site=site,\n+#             city=city,\n+#             state=state,\n+#             region=region,\n+#             epa_region=epa_region)\n+#         df2 = df2.groupby('variable').get_group(param)\n+#         if timeseries:\n+#             if ax is None:\n+#                 ax = plots.timeseries_param(\n+#                     df2,\n+#                     col='Obs',\n+#                     title=title,\n+#                     label=label,\n+#                     ax=ax,\n+#                     plotargs={'color': 'darkslategrey'},\n+#                     fillargs={\n+#                         'color': 'darkslategrey',\n+#                         'alpha': .2\n+#                     })\n+#             ax = plots.timeseries_param(\n+#                 df2,\n+#                 col='model',\n+#                 title=title,\n+#                 label=label,\n+#                 ax=ax,\n+#                 fillargs={'alpha': .2})\n+#         if scatter:\n+#             plots.scatter_param(\n+#                 df2, title=title, label=label, fig=fig, footer=footer)\n+#         if pdfs:\n+#             plots.kdeplots_param(\n+#                 df2, title=title, label=label, fig=fig, footer=footer)\n+#         if diffscatter:\n+#             plots.diffscatter_param(df2, title=title)\n+#         if diffpdfs:\n+#             plots.diffpdfs_param(\n+#                 df2, title=title, label=label, fig=fig, footer=footer)\n+#         if timeseries_rmse:\n+#             plots.timeseries_rmse_param(\n+#                 df2, title=title, label=label, fig=fig, footer=footer)\n+#         if timeseries_mb:\n+#             plots.timeseries_mb_param(\n+#                 df2, title=title, label=label, fig=fig, footer=footer)\n+#         if taylordiagram:\n+#             if marker is None:\n+#                 marker = 'o'\n+#             if fig is None:\n+#                 dia = plots.taylordiagram(\n+#                     df2, label=label, dia=dia, addon=False, marker=marker)\n+#                 return dia\n+#             else:\n+#                 dia = plots.taylordiagram(\n+#                     df2, label=label, dia=dia, addon=True, marker=marker)\n+#                 plt.legend()\n+#                 return dia\n \n-from builtins import object\n-\n-from ..plots import plots\n-\n-\n-class VERIFY(object):\n-    def __init__(self, model=None, obs=None, dset=None):\n-        self.model = model\n-        self.obs = obs\n-        self.dset = dset\n-\n-    def compare_surface(self, **kwargs):\n-        \"\"\"Short summary.\n-\n-        Parameters\n-        ----------\n-        **kwargs : type\n-            Description of parameter `**kwargs`.\n-\n-        Returns\n-        -------\n-        type\n-            Description of returned object.\n-\n-        \"\"\"\n-        if (self.obs.objtype is 'AQS' or self.obs.objtype is 'AirNow') and (\n-                self.model.objtype is 'CMAQ' or self.model.objtype is 'CAMX'):\n-            self.compare_epa(**kwargs)\n-\n-    def compare_spatial(self, **kwargs):\n-        \"\"\"Short summary.\n-\n-        Parameters\n-        ----------\n-        **kwargs : type\n-            Description of parameter `**kwargs`.\n-\n-        Returns\n-        -------\n-        type\n-            Description of returned object.\n-\n-        \"\"\"\n-        if (obs.objtype is 'AQS' or obs.objtype is 'AIRNOW') and (model.objtype is 'CMAQ' or model.objtype is 'CAMX'):\n-            self.compare_epa_spatial(**kwargs)\n-\n-    def compare_epa_spatial(self, model_param='O3', param='OZONE', date=None, imshow_args={},\n-                            scatter_args={'s': 20, 'edgecolors': 'w', 'lw': .25}, barbs_args={}, barbs=False, Obs=True,\n-                            ncolors=None, discrete=False, lay=None):\n-        \"\"\"Short summary.\n-\n-        Parameters\n-        ----------\n-        model_param : type\n-            Description of parameter `model_param` (the default is 'O3').\n-        param : type\n-            Description of parameter `param` (the default is 'OZONE').\n-        date : type\n-            Description of parameter `date` (the default is None).\n-        imshow_args : type\n-            Description of parameter `imshow_args` (the default is {}).\n-        scatter_args : type\n-            Description of parameter `scatter_args` (the default is {'s': 20).\n-        'edgecolors': 'w' : type\n-            Description of parameter `'edgecolors': 'w'`.\n-        'lw': .25} : type\n-            Description of parameter `'lw': .25}`.\n-        barbs_args : type\n-            Description of parameter `barbs_args` (the default is {}).\n-        barbs : type\n-            Description of parameter `barbs` (the default is False).\n-        Obs : type\n-            Description of parameter `Obs` (the default is True).\n-        ncolors : type\n-            Description of parameter `ncolors` (the default is None).\n-        discrete : type\n-            Description of parameter `discrete` (the default is False).\n-        lay : type\n-            Description of parameter `lay` (the default is None).\n-\n-        Returns\n-        -------\n-        type\n-            Description of returned object.\n-\n-        :param param: Species Parameter: Acceptable Species: 'OZONE' 'PM2.5' 'CO' 'NOY' 'SO2' 'SO2' 'NOX'\n-        :param region: EPA Region: 'Northeast', 'Southeast', 'North_Central', 'South_Central', 'Rockies', 'Pacific'\n-        :param date: If not supplied will plot all time.  Put in 'YYYY-MM-DD HH:MM' for single time\n-        :return:\n-        \"\"\"\n-        if Obs:\n-            try:\n-                g = df.groupby('Species')\n-                df2 = g.get_group(param)\n-            except KeyError:\n-                print(param + ' Species not available!!!!')\n-                exit\n-        param = param.upper()\n-        v = self.model.get_var(param=model_param, lay=lay)\n-        m = self.cmaq.map\n-        dts = v.time.to_index()\n-        if isinstance(date, type(None)):\n-            index = where(dts == dts[0])[0][0]\n-        else:\n-            index = where(dts.isin([date]))[0][0]\n-        f, ax, c, cmap, vmin, vmax = plots.make_spatial_plot2(cmaq[index, :, :].squeeze(), m, plotargs=imshow_args,\n-                                                              ncolors=ncolors, discrete=discrete)\n-        plt.tight_layout()\n-        if Obs:\n-            scatter_args['vmin'] = vmin\n-            scatter_args['vmax'] = vmax\n-            scatter_args['cmap'] = cmap\n-            df2 = df2.loc[df2.datetime == dts[index]]\n-            plots.spatial_scatter(df2, m, plotargs=scatter_args)\n-            c.set_label(param + ' (' + g.get_group(param).Units.unique()[0] + ')')\n-\n-    def compare_epa(self, param='OZONE', site='', city='', state='', epa_region='', region='', timeseries=False,\n-                    scatter=False, pdfs=False, diffscatter=False, diffpdfs=False, timeseries_rmse=False,\n-                    timeseries_mb=False,\n-                    taylordiagram=False, ax=None, label=None, footer=False, dia=None, marker=None):\n-        \"\"\"Short summary.\n-\n-        Parameters\n-        ----------\n-        param : type\n-            Description of parameter `param` (the default is 'OZONE').\n-        site : type\n-            Description of parameter `site` (the default is '').\n-        city : type\n-            Description of parameter `city` (the default is '').\n-        state : type\n-            Description of parameter `state` (the default is '').\n-        epa_region : type\n-            Description of parameter `epa_region` (the default is '').\n-        region : type\n-            Description of parameter `region` (the default is '').\n-        timeseries : type\n-            Description of parameter `timeseries` (the default is False).\n-        scatter : type\n-            Description of parameter `scatter` (the default is False).\n-        pdfs : type\n-            Description of parameter `pdfs` (the default is False).\n-        diffscatter : type\n-            Description of parameter `diffscatter` (the default is False).\n-        diffpdfs : type\n-            Description of parameter `diffpdfs` (the default is False).\n-        timeseries_rmse : type\n-            Description of parameter `timeseries_rmse` (the default is False).\n-        timeseries_mb : type\n-            Description of parameter `timeseries_mb` (the default is False).\n-        taylordiagram : type\n-            Description of parameter `taylordiagram` (the default is False).\n-        ax : type\n-            Description of parameter `ax` (the default is None).\n-        label : type\n-            Description of parameter `label` (the default is None).\n-        footer : type\n-            Description of parameter `footer` (the default is False).\n-        dia : type\n-            Description of parameter `dia` (the default is None).\n-        marker : type\n-            Description of parameter `marker` (the default is None).\n-\n-        Returns\n-        -------\n-        type\n-            Description of returned object.\n-\n-        \"\"\"\n-        from numpy import NaN\n-        from ..obs.epa_util import get_epa_location_df\n-        df2, title = get_epa_location_df(self.dset.copy(), param, site=site, city=city, state=state, region=region,\n-                                         epa_region=epa_region)\n-        df2 = df2.groupby('Species').get_group(param)\n-        if timeseries:\n-            if ax is None:\n-                ax = plots.timeseries_param(df2, col='Obs', title=title, label=label, ax=ax,\n-                                            plotargs={'color': 'darkslategrey'},\n-                                            fillargs={'color': 'darkslategrey', 'alpha': .2})\n-            ax = plots.timeseries_param(df2, col='model', title=title, label=label, ax=ax, fillargs={'alpha': .2})\n-        if scatter:\n-            plots.scatter_param(df2, title=title, label=label, fig=fig, footer=footer)\n-        if pdfs:\n-            plots.kdeplots_param(df2, title=title, label=label, fig=fig, footer=footer)\n-        if diffscatter:\n-            plots.diffscatter_param(df2, title=title)\n-        if diffpdfs:\n-            plots.diffpdfs_param(df2, title=title, label=label, fig=fig, footer=footer)\n-        if timeseries_rmse:\n-            plots.timeseries_rmse_param(df2, title=title, label=label, fig=fig, footer=footer)\n-        if timeseries_mb:\n-            plots.timeseries_mb_param(df2, title=title, label=label, fig=fig, footer=footer)\n-        if taylordiagram:\n-            if marker is None:\n-                marker = 'o'\n-            if fig is None:\n-                dia = plots.taylordiagram(df2, label=label, dia=dia, addon=False, marker=marker)\n-                return dia\n-            else:\n-                dia = plots.taylordiagram(df2, label=label, dia=dia, addon=True, marker=marker)\n-                plt.legend()\n-                return dia\ndiff --git a/setup.py b/setup.py\n--- a/setup.py\n+++ b/setup.py\n@@ -11,7 +11,7 @@\n \n setup(\n     name='monet',\n-    version='1.2',\n+    version='2.0',\n     url='https://github.com/noaa-oar-arl/MONET',\n     license='MIT',\n     author='Barry D. Baker',\n@@ -19,8 +19,16 @@\n     maintainer='Barry Baker',\n     maintainer_email='barry.baker@noaa.gov',\n     packages=find_packages(),\n-    keywords=['model','verification','hysplit','cmaq','atmosphere','camx','evaluation'],\n+    keywords=[\n+        'model', 'verification', 'hysplit', 'cmaq', 'atmosphere', 'camx',\n+        'evaluation'\n+    ],\n     description='The Model and Observation Evaluation Toolkit (MONET)',\n-    install_requires=['numpy', 'pandas', 'wget', 'pyresample', 'netcdf4', 'pynio', 'xarray', 'dask', 'matplotlib', 'seaborn', 'pseudonetcdf'],\n-    dependency_links=[\"git+ssh://git@github.com/barronh/pseudonetcdf.git@develop\", \"git+ssh://git@github.com/barronh/xarray.git@pnc-backend\"]\n-)\n+    install_requires=[\n+        'numpy', 'pandas', 'pyresample', 'netcdf4', 'xarray', 'dask',\n+        'matplotlib', 'seaborn', 'pseudonetcdf', 'cartopy', 'future', 'sphinx',\n+        'pandoc'\n+    ],\n+    dependency_links=[\n+        \"git+ssh://git@github.com/barronh/pseudonetcdf.git\",\n+    ])\n", "test_patch": "", "problem_statement": "", "hints_text": "", "created_at": "2018-09-04T14:29:21Z"}