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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.
USGS Water-Year Summary 2024
03114280 OHIO RIVER AT HANNIBAL LOCK AND DAM (LOWER), OH
LOCATION - Lat 39°40'02", long 80°51'58" referenced to North American Datum of 1927, Monroe County, OH, Hydrologic Unit 05030201, at downstream side of dam, and at mile 126.4 measured downstream from Pittsburgh, PA.
DRAINAGE AREA - 25,930 mi².
SURFACE-WATER RECORDS
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 589.23 ft above NAVD 88. Superseded datum; 589.80 ft above NGVD 29.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 33.85 ft, Mar. 12, 2011; minimum, 11.33 ft, Nov. 9, 2005.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 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, 3.55 inches, Sept. 9, 2018; minimum, 0.00 inches, on many days.
