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DATA & MAPS

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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)

Global CPC Unified Daily Precipitation: Drought Indices

The NOAA Climate Prediction Center (CPC) Standardized Precipitation Index (SPI) a probabilistic index derived from North American Multi-Model Ensemble (NMME) precipitation data computed for several time scales, ranging from one month to 24 months. The Subseasonal Weekly Forecasts are based on the 3-month SPI and are produced at 1- 2- 3- and 4-week time scales.

Data Coverage
Contiguous U.S.
File Format
images
text (ascii)
Data Type
Model

Global Gridded Standardized Precipitation Index (SPI) from CMORPH Daily

The Global Gridded Standardized Precipitation Index (SPI) is derived from the CMORPH daily dataset and includes timescales of 1, 3, 6 and 9 months.  The NOAA CMORPH precipitation dataset is a gridded dataset derived from combining numerous microwave-based estimates from low orbiter satellites. 

Data Coverage
Global
Period of Record
1998 to Present
File Format
netcdf-4
Data Type
Satellite

Global Historical Climatology Network (GHCN)

Global Historical Climatology Network (GHCN): an integrated database of daily climate summaries from land surface stations across the globe, including a common suite of quality assurance reviews. 

Data Coverage
Global
Period of Record
1832 - Present (not all data available for all periods)
File Format
pdf
text (ascii)
csv
Data Type
Land-based Station

Global Precipitation Climatology Centre (GPCC) Precipitation Data

The GPCC provides unrestricted access to its monthly gridded precipitation data sets for climate monitoring purposes and related research.

Data Coverage
Global
Period of Record
Current Conditions, Historical data (period of record varies)
File Format
images
text (ascii)
netcdf-4
Data Type
Land-based Station