Skip to main content
U.S. flag

An official website of the United States government

The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit commerce.gov.

For the latest forecasts and critical weather information, visit weather.gov.
DATA & MAPS

Select categories to browse data

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(6)

Climate Assessment for the Southwest (CLIMAS): Paleoclimate Tool

This CLIMAS Southwest Paleoclimate Tool provides detailed paleoclimate information for Arizona and New Mexico. 

Data Coverage
United States
Period of Record
Historical data (paleoclimate)
File Format
images
Data Type
Model

Colorado River Basin Tree Ring Analysis

Selected research papers, reports, and other resources which show the current state-of-knowledge and the progress in our understanding of the variability of climate and hydrology in the Colorado River Basin and the potential impacts of future climate change.

Data Coverage
United States
File Format
pdf
Data Type
Model

Historical Drought Data & Conditions Tool: U.S. Drought Portal

 The U.S. Drought Portal's Historical Data & Conditions Tool displays three historical drought datasets side by side on an interactive time series graph and map: U.S. Drought Monitor (2000 - Present), Standardized Precipitation Index (1895 - Present), and Palmer Modified Drought Index (0 BCE - 2017). These data are available for download in CSV, XML, and JSON format.

Data Coverage
United States
Period of Record
Various
File Format
csv
json
xml
Data Type
Land-based Station
Paleoclimate

Living Blended Drought Atlas (LBDA) - Historical Drought Information

The Living Blended Drought Atlas (LBDA) is a recalibrated data series of June-July-August Palmer Modified Drought Index (PMDI) values by United States climate division, compiled by blending tree-ring reconstructions and instrumental data from the coterminous United States.

Data Coverage
United States
Period of Record
Historical data
File Format
images
text (ascii)
netcdf-4
Data Type
Paleoclimate