USGS - science for a changing world

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Drought, snowpack, and reservoir storage (2010 vs 2014)

Snow data provider: U.S. Natural Resources Conservation Service SNOTEL
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Current vs historical streamflow

Data providers: U.S. Geological Survey GAGESII and NWIS

Current streamflow (y-axis) is plotted against the historical (since 1980) median streamflow (x-axis) for this day of year. Axes are log-scaled. Mouse over streams on the plot (blue circles), and on map (colored according to flow; red is well below normal flow, dark blue is well above normal flow) for more information.

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Water withdrawals in California (2010)

Data provider: U.S. Geological Survey
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