Add/review crs for mows data

Add (or review for accuracy if it already exists) crs information to mows datasets, which likely have the same crs (but please check this):

• s3://mdmf/gdp/farnsworth_evaporation_atlas.zarr
• s3://mdmf/gdp/nrel_solar_radiation.zarr

They have the following THREDDS catalog entries, if that is helpful to have:

• https://cida.usgs.gov/thredds/catalog.html?dataset=cida.usgs.gov/mows/pe
• https://cida.usgs.gov/thredds/catalog.html?dataset=cida.usgs.gov/mows/sr