MAPS ALERT: The WestWide Drought Tracker is getting a major upgrade!
New and improved maps are located here. We strongly encourage using the new maps application.
Continue to use the menu options above for time series and archive features until they are upgraded at a later date.

Current Product:
PRISM > Palmer Z-Index > Western US

Download PRISM Palmer Z-Index NETCDF Data for United States

Download PRISM Palmer Z-Index GeoTIFF Data for United States