Waterway and Drought








SPI Map for 30-Days period ending

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Note: SPI stands for Standardized Precipitation Index, Map denotes US Climate Divisions
The climate-division values are derived from station-based values (from NCEI's GHCN-D dataset) and are not official NCEI divisional values
Map Legend

River levels as of

Location 2022 Height 1-Day Forecast 2-Day Forecast 3-Day Forecast 2021 Height 2012 Height Mean Height Deviation from Mean Mean +/- 1 Std. Dev.
Forecast projections courtesy of the Advanced Hydrological Prediction System.
All units are in feet.