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Water Resources
Hydrologic Information
Lake Level Data
Lake Level Data
Current lake level data - December 2022
Average Daily Lake Levels
2016 Water Year (PDF)
, Lake County Watershed Protection District
2015 Water Year
, United States Geological Survey
2014 Water Year
, United States Geological Survey
2013 Water Year (PDF)
, United States Geological Survey
2012 Water Year (PDF)
, United States Geological Survey
2011 Water Year (PDF)
, United States Geological Survey
2010 Water Year (PDF)
, United States Geological Survey
2009 Water Year (PDF)
, United States Geological Survey
2008 Water Year (PDF)
, United States Geological Survey
2007 Water Year (PDF)
, United States Geological Survey
2006 Water Year (PDF)
, United States Geological Survey
2005 Water Year (PDF)
, United States Geological Survey
2004 Water Year (PDF)
, United States Geological Survey
2003 Water Year (PDF)
, United States Geological Survey
2002 Water Year (PDF)
, United States Geological Survey
All Daily Clear Lake Level Data
Additional Resources
Average Daily Clear Lake Level Chart (PDF)
Average Daily Clear Lake Level Table (PDF)
Average Monthly Water Temperature (PDF)
Clear Lake Drought Predictions for Lake Level - September 2022 (PDF)
Historical High and Low Water Levels of Clear Lake (PDF)
Cache Creek Dam Flows
Clear Lake Summer Levels
Clear Lake Winter Levels
Lake Level Data
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