Bad,Mom, Good Mom dropped me a note to bring this to my attention:
Through the National Weather Service (NWS) Cooperative Observer Program (COOP), more than 10,000 volunteers take daily weather observations at
National Parks, seashores, mountaintops, and farms as well as in urban
and suburban areas. COOP data usually consist of daily maximum and
minimum temperatures, snowfall, and 24-hour precipitation totals. These
data may include additional hydrological or meteorological data such as
evaporation or soil temperatures. Online data access is provided at no
I'm making note of it here in case readers are interested and as a reminder to myself to dig into the available data when I have a spare moment.