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Water-Year Summary for Site USGS 11463500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
11463500 Russian River at Geyserville, CA
LOCATION - Lat 38°42'46", long 122°53'41" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Tzabaco Land Grant, on upstream side, midspan, Highway 128 Bridge, 0.80 mi upstream of Miller Creek, and 0.60 mi northwest of Geyserville.
DRAINAGE AREA - 655 mi².
PERIOD OF RECORD - December 1910 to August 1913, October 2012 to current year.  October 2012 to September 2015, low-flow records only.
GAGE - Water stage recorder. Elevation of gage is 190 feet above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 39,900 ft³/s, Feb 27, 2019, maximum gage height, 43.98 ft, Feb 27,2019. Minimum discharge, 21 ft³/s, January 30-31, 2014.