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Water-Year Summary for Site 03056000

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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,Med.)  
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2021
03056000 TYGART VALLEY RIVER AT TYGART DAM NEAR GRAFTON, WV
LOCATION - Lat 39°19'11", long 80°01'31" referenced to North American Datum of 1927, Taylor County, WV, Hydrologic Unit 05020001, downstream of Tygart Dam, 2.2 mi upstream from Three Fork Creek, 2.4 mi upstream from Grafton, and at mile 150.9.
DRAINAGE AREA - 1,182 mi². includes that of Three Fork Creek.
REVISIONS HISTORY - WDR-US-2006: Drainage area. WDR-US-2009: 1965(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1938 to September 1982, October 1986 to September 1988 (daily and annual maximum discharge), October 1988 to September 1991 (daily discharge and peaks), October 2005 to September 2008 (annual maximum gage height), October 2008 to September 2009 (annual maximum and minimum gage height), October 2009 to September 2011 (daily discharge and annual maxima), flow from Three Fork Creek not included in computed discharge . October 2011 to present (daily discharge and annual maxima), does not include flow from Three Fork Creek. Prior to October 1960, published as Tygart River at Tygart Dam near Grafton. Records prior to June 1, 1987, provided by U.S. Army Corps of Engineers.
GAGE - Water-stage recorder. Datum of gage is 960.55 ft above COE 1912.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2010 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2010 to current year.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 26.0°C, Sept. 23, 2016; minimum recorded, 0.1°C, Feb. 27, 28, 2015, Jan. 30, 31, Feb. 2, 2016.