NOTE: Precipitation products are not updating. The CA Climate Tracker is currently undergoing a rebuild and the issue will be resolved once development is complete. Please use the West Wide Drought Tracker in the meantime:
Explore Climate Products
Background and Methods
PRISM Climate Group (OSU)
Western United States Climate Anomalies (WRCC)
ACIS Products for California (WRCC)
Latest Temperature Time Series for Selected Cities (NOAA/CPC)
Latest Precipitation Time Series for Selected Cities (NOAA/CPC)
Regional Climate Maps for the United States (NOAA/CPC)
DISCLAIMER: All graphics and data from the past 6 months are based on preliminary data and are subject to change once final datasets are processed.
Return to the California Climate Data Archive
Abatzoglou, J.T., K.T. Redmond, L.M. Edwards, 2009, Classification of Regional Climate Variability in the State of California, Journal of Applied Meteorology and Climatology, 48, 1527-1541
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