SNOW17 v1: pxtemp grid (rain/snow partition temperature) — usable now that the EF5 fork accepts pxtemp (5a26a86)

SNOW17 operational v1: all 8 EF5 parameters as calibrated 0.1-deg CONUS grids (differentiable Snow-17 vs SNODAS WY2010-2024; replaces the 4-grid legacy set)

Add SNOW17 tipm param grid (COG)

Add SNOW17 nmf param grid (COG)

Add SNOW17 mfmin param grid (COG)

Add SNOW17 mfmax param grid (COG)

Fix beta_usa georeferencing (N90->N55)

Fix alpha_usa georeferencing (N90->N55)

Add param/kw/alpha0_usa.tif (COG)

Add param/kw/beta_usa.tif (COG)

Add param/kw/alpha_usa.tif (COG)

Add param/kw/leaki_usa.tif (COG)

Add param/crest/ksat_usa.tif (COG)

Add param/crest/im_usa.tif (COG)

Add param/crest/wm_usa.tif (COG)

Add b_usa param grid as COG (validation)