Drought Risk Atlas

Climate

Note: The current gridded SPI datasets are based on data through 2012. New gridded datasets for the SPI and other indices are coming soon.

Climate Layers

Atlas Stations

Homogeneous Clusters

U.S. Drought Monitor (12/29/2009)

Gridded SPI (12/23/2012; 1 Month)

Station-based SPI (12/23/2020; 1 Month)

Station-based SPEI (12/23/2020; 1 Month)

Station-based PDSI (12/1/2020)

Station-based Deciles (12/3/2020; 1 Month)

Station Trend

Base Layers