This page provides access to important supporting datasets often used with PRISM data.

• PRISM Polygon Mesh:  GIS layers representing each PRISM grid cell as a polygon.
• 4km polygon mesh (Esri shapefile format):  Download (15 MB .zip)
• 800m polygon mesh (Esri shapefile format):  Download (341 MB .zip)


• PRISM Digital Elevation Model (DEM):  These are the gridded elevation datasets used by the PRISM model at 4km and 800m resolutions.
• 4km digitial elevation model grid (BIL format):  Download (835 KB .zip)
• 800m digitial elevation model grid (BIL format):  Download (19 MB .zip)