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Snow Survey

Arizona Snow Survey Program

Image of snow crystal and water droplet

The NRCS Snow Survey Program provides mountain snowpack data and streamflow forecasts for the western United States. Common applications of snow survey products include water supply management, flood control, climate modeling, recreation, and conservation planning.

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Snow Survey Data, Products, and Reports

Snow survey photo near Flagstaff, Ariz.

Snow &  Precipitation

Daily & monthly snow water & precipitation information

Historic Data

Roosevelt Lake on the Salt River





Water Supply

Streamflow forecasts & reservoir storage information.



Additional Snow Survey Information

National Water & Climate Center website