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Water-Year Summary for Site 12035000

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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)  
00065 Gage height(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30

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USGS Water-Year Summary 2018
LOCATION - Lat 47°00'03", long 123°29'37" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.36, T.18 N., R.7 W., Grays Harbor County, WA, Hydrologic Unit 17100104, on upstream side of bridge on old U.S. Highway 410, 0.6 mi west of Satsop, and 2.3 mi upstream from mouth.
DRAINAGE AREA - 299 mi².
REVISIONS HISTORY - WSP 1286: 1930-35(M), 1937(M). WSP 1716: Drainage area. WSP 1932: 1945, 1949(M), 1951(M), 1956-57(M), 1959(M).
PERIOD OF RECORD - March 1929 to current year.
GAGE - Water-stage recorder. Datum of gage is North American Vertical Datum of 1988. Prior to Mar. 19, 1938, nonrecording gage at site 60 ft upstream at datum 20.9 ft higher.
REMARKS - No regulation or diversion upstream from station. Chemical analyses July 1960 to September 1971, October 1974 to September 1975, October 1976 to June 1980; sediment records November 1961 to June 1965 (partial-record station). U.S. Geological Survey satellite telemeter at station.
  • Water Year 2014: Records fair.
  • Water Year 2015: No estimated daily discharges. Records good.
  • Water Year 2016 to 2018: Records good except for estimated daily discharges, which are fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in November 1909 reached a stage of 37.1 ft, from high-water mark, at railroad bridge 300 ft downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 63,600 ft³/s, Mar. 19, 1997, elevation, 38.87 ft; maximum elevation, 38.9 ft, Jan. 22, 1935, from floodmarks, present datum; minimum discharge, 147 ft³/s, Aug. 31, Sept. 1, 2, 1994; minimum elevation, 21.66 ft, at datum prior to May 9, 2018, Sept. 3-6, 1934.