California Hydrologic Data Sources

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California Precipitation Data

• Realtime and Historical Precipitation Data (California Data Exchange Center)
• California Snow Surveys (Dept of Water Resources)
• National Climatic Data Center On-Line Data Access
• NCDC On-Line Monthly Precipitation Data
• NCDC Climate Visualization
• NCDC US Summary of the Day Graphing

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California Streamflow Data

• California Streamflow Data Archive (USGS gages)
• Current California Streamflow Data (selected USGS sites)
• Realtime and Historical Streamflow Data (California Data Exchange Center)
• Humboldt Co Streamflow Data Archive (USGS gages)
• Current Mad R at Arcata Discharge (CDEC realtime)
• Current Mad R at Arcata Discharge (USGS Realtime)
• Northwest California Rivers and Rain
• North Coast River Forecast (NWS)
  
• USGS Water Resources of California
• USGS Current California Conditions
• USGS California Hydrologic Report
• USGS Surface-Water Data Retrieval (other states)

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Other California Surface Water Data

• USGS Water Resources of California
• California Rivers Assessment
• EPA's Surf Your Watershed

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California Groundwater Data

• California Groundwater Atlas (USGS)
• California Well Levels (Dept of Water Resources)

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Andre Lehre
Last updated: 10 March 1999