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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(190)

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

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

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Monthly dataset and includes timescales of 1, 2, 3, 6, 9, 12, 24, 36, 48, 60 and 72 months.

Data Coverage
United States
Period of Record
1895–Present (Base Period 1895–2014)
File Format
netcdf-4
Data Type
Land-based Station

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

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Monthly dataset and includes timescales of 1, 2, 3, 6, 9, 12, 24, 36, 48, 60 and 72 months.

Data Coverage
United States
Period of Record
1895–Present (Base Period 1895–2014)
File Format
netcdf-4
Data Type
Land-based Station

U.S. Monthly Drought Outlook

The U.S. Monthly Drought Outlook predicts whether drought will emerge, stay the same or get better over the next 30 days or so.

Data Coverage
Puerto Rico
United States
USVI/USAPI
Period of Record
Forecasts
File Format
images
pdf
Data Type
Model