Map: monthly average precipitation
This map shows total rain and snowfall in the contiguous United States, every month from 1981 to the present. The map's color scale runs...
Map: weekly drought reports
This map depicts data from the National Drought Mitigation Center. Drought intensity categories are based on numerous indicators and local reports from more than...
Map: U.S. dams and reservoirs
The Global Reservoir and Dam Database (GRaND) is a survey listing about 7,000 larger dams and reservoirs worldwide, including 1,920 in the United States....
Map: daily nationwide snowpack
This map shows daily snowpack estimates for the contiguous United States since October 2003. Using the dropdown menu above the chart – or clicking...
Data visualizations
The Water Desk develops, collects, and showcases innovative data visualizations, maps and graphics. We offer a series of interactive dashboards that allow you to...