Name: PRISM Mean Annual Precipitation 1991 - 2020 (inches)
Display Field:
Type: Raster Layer
Geometry Type: null
Description: Monthly 30-year "normal" dataset covering the conterminous U.S., averaged over the climatological period 1991-2020. Contains spatially gridded average annual total precipitation at 4km grid cell resolution. Distribution of the point measurements to the spatial grid was accomplished using the PRISM model, developed and applied by Dr. Christopher Daly of the PRISM Climate Group at Oregon State University. This dataset is available free-of-charge on the PRISM website.
Service Item Id: edbd866e3b724e42948d8e92fc39be9b
Copyright Text: PRISM Climate Group at Oregon State University, 2025