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National Integrated Drought Information System
The Regional Climate Centers (RCC) Applied Climate Information System (ACIS) offers interactive temperature and precipitation charts with single- or multi-station capabilities.
The California Data Exchange Center is a centralized database that stores, processes, and exchanges real-time hydrologic information on precipitation, river forecast, river stages/flow, snow, and r
Precipitation data from CoCoRaHS: a non-profit, community-based network of volunteers of all ages and backgrounds working together to measure and map precipitation (rain, hail, and snow) across the
The National Weather Service (NWS) Climate Prediction Center (CPC) produces monthly and seasonal drought outlooks based on Soil Moisture (CAS).