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Water-Year Summary for Site 11458600

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11458600 Nathanson Creek at Sonoma, CA
LOCATION - Lat 38°16'51", long 122°27'21" referenced to North American Datum of 1983, in sec.00, T.5 N., R.5 W., Sonoma County, CA, Hydrologic Unit 18050002, on left bank, 40 ft upstream of walkway bridge at Denmark Street, 0.2 mi east of Highway 12, and 0.78 mi south of Sonoma. 
DRAINAGE AREA - 4.50 mi².  
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 14, 2016 to current year (seasonal records only).
GAGE - Water stage recorder and crest-stage gage. Datum of gage is 55.12 ft above NAVD of 1988.
REMARKS - No regulation or diversion upstream of gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 627 ft³/s  Feb. 26, 2019, maximum gage height 6.63 ft. Feb. 7 2017; no flow for many days in most years.