dataset · USA

PRISM Long-Term Normals Dataset Norm91m

The PRISM daily and monthly datasets are gridded weather datasets for the conterminous United States, produced by the PRISM Group at Oregon State University. Grids are developed using PRISM (Parameter-elevation Regressions on Independent Slopes Model). PRISM interpolation routines simulate how weather varies with elevation, and account for coastal effects, temperature inversions, and terrain barriers that can cause rain shadows. Station data are assimilated from many networks across the country.

Source details

Licence: proprietary

Evidence quality: 23.6

Listed in gee public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

• ee.ImageCollection('OREGONSTATE/PRISM/Norm91m')
• https://developers.google.com/earth-engine/datasets/catalog/OREGONSTATE_PRISM_Norm91m

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.