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Looking to Download Data? The Drought.gov team reformats data from multiple partners into web- and GIS-ready formats, which we use throughout Drought.gov. These data are free for all to download.
Search Results(189)

U.S. Forest Service Cumulative Drought Severity Index (CDSI)

U.S Forest Service Cumulative Drought Severity Index (CDSI): allows users to compare the severity of droughts experienced by different forest ecosystems between two periods, 1960-1986 & 1987-20

Data Coverage
United States
Period of Record
1960-1986, 1987-2013
File Format
images
geotiff
Data Type
Model

U.S. Gridded Palmer Drought Severity Index (PDSI) from gridMET

This new experimental implementation of the Palmer Drought Severity Index (PDSI) updates every 5 days using the high-resolution gridMET gridded research dataset and USDA STATSGO soil

Data Coverage
Contiguous U.S.
Period of Record
1980 to Present
File Format
images
geotiff
netcdf-4
Data Type
Land-based Station
Model

U.S. Gridded Standardized Precipitation Evapotranspiration Index (SPEI) from nClimGrid-Monthly

The United States Gridded Standardized Precipitation Evapotranspiration Index (SPEI) is derived from the nClimGrid-Monthl

Data Coverage
United States
Period of Record
1895 - Present
File Format
netcdf-4
Data Type
Land-based Station

U.S. Gridded Standardized Precipitation Index (SPI) from nClimGrid-Daily

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Daily dataset and and includes timescales of 1, 2, and 3 weeks, as well as 1, 2, 3, 4, 6, 9, and 12 months.

Data Coverage
Contiguous U.S.
Period of Record
1951 – Present
File Format
text (ascii)
csv
netcdf-4
Data Type
Land-based Station