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Water-Year Summary for Site 12173500

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2019: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2019
LOCATION - Lat 48°42'30", long 120°58'34" referenced to North American Datum of 1927, Whatcom County, WA, Hydrologic Unit 17110005, on leftbank, downstream from Panther Creek, 20 mi northeast of Marblemount. 
DRAINAGE AREA - 206 mi².  
REVISIONS HISTORY - WSP 1932: Drainage area.
PERIOD OF RECORD - September 1948 to September 1956, October 1962 to September 1969 and April 30, 2018 to current water year.
GAGE - Water-stage recorder. Elevation of gage is 1,640 ft above NGVD of 1929 (by barometer).
  • Water Year 2018: Records good except for estimated discharges, which are poor. No record Oct. 1 to April 29.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,640 ft³/s, Nov. 27, 1949, gage height, 10.95 ft. Minimum discharge, 46 ft³/s, Feb. 10, 1949, gage height, 0.70 ft.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: April 30, 2018 to current water year.
INSTRUMENTATION - Water-temperature sensor with 15-minute logging interval, interfaced directly with a data collection platform for satellite telemetry.
REMARKS - Water Year 2018: Water Temperature records are poor. No record Oct. 1 to April 29.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 13.6°C, Aug. 9, 2018; minimum 3.9°C, May 2, 2018.