USGS Water-Year Summary 2021
03303280 OHIO RIVER AT CANNELTON DAM, KY
LOCATION - Lat 37°53'58", long 86°42'20" referenced to North American Datum of 1927, Perry County, IN, Hydrologic Unit 05140201, at Cannelton Dam on Ohio River at Cannelton, In., 0.7 miles upstream from Indian Creek, 3.3 miles upstream from Lead Creek and at mile 720.8.
DRAINAGE AREA - 97,000 mi².
PERIOD OF RECORD - October 1975 to current year.
GAGE - Water-stage recorders. Datum of headwater gage, located at the end of the upstream lockwall, is 374.0 feet Ohio River datum. Datum of tailwater gage, located at the end of the downstream lockwall, is 26.0 feet lower (348 feet Ohio River datum).
COOPERATION - U.S. Army Corps of Engineers, Louisville District.
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous gage height, 52.42' on March 8, 1997; maximum instantaneous discharge, 768000 ft³/s on Feb. 26, 2018. Lowest daily mean, 1570 ft³/s on August 30, 2015.
PERIOD OF RECORD - Water years 1975 to 1986 and 1996 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: October 1974 to September 1986.
WATER TEMPERATURES: October 1974 to September 1986.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily recorded, 691 microsiemens, November 14, 1978; minimum daily recorded, 176 microsiemens, December 15, 1978.
WATER TEMPERATURES: Maximum daily recorded, 30.0°C, July 23-24, 1977, August 5, 1982, several days in July and August 1983; minimum daily recorded, 0.0°C, on several days during most winter months.