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Water-Year Summary for Site 03110690

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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
00045 Precipitation(Sum)  

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

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USGS Water-Year Summary 2022
LOCATION - Lat 40°31'41", long 80°37'33" referenced to North American Datum of 1927, Jefferson County, OH, Hydrologic Unit 05030101, at downstream side of Lock and Dam, and at mile 54.4 measured downstream from Pittsburgh, PA.
DRAINAGE AREA - 23,820 mi².
PERIOD OF RECORD - November 2005 to September 2012 (annual maximum and minimum gage height), October 2012 to current year (daily mean gage height).
GAGE - Water-stage recorder with satellite telemeter. Datum of gage is 631.56 ft above NAVD88 (GNSS Level II survey). Superseded datum, 622.10 ft above NGVD29.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 37.63 ft, Feb. 17, 2018; minimum, 11.55 ft, Apr. 21, 2012.
PERIOD OF RECORD - July 2015 to current year.
INSTRUMENTATION - Electronic data logger with 15-minute record interval. Heated tipping bucket rain gage.
EXTREMES FOR PERIOD OF RECORD - Maximum daily precipitation, 3.51 in., September 9, 2018; minimum precipitation, 0.00 in., on many days.