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Water-Year Summary for Site 12184700

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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
00065 Gage height(Mean)  

Water year 2020: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 48°29'34", long 121°32'49" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.29, T.35 N., R.10 E., Skagit County, WA, Hydrologic Unit 17110005, on right bank adjacent to Highway 20, 300 ft upstream of Swift Creek (aka: Barr Creek).
DRAINAGE AREA - 1,655 mi².
PERIOD OF RECORD - October 2015 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS - Flow regulated for power generation on the Skagit River by Ross Reservoir (12175000), Diablo Reservoir (12176500) and Gorge Reservoir (12177700). U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 13.50 ft, Nov. 23, 2017; minimum gage height, 2.22 ft, Sept. 4, 2017.