USGS Water-Year Summary 2023
03575500 TENNESSEE RIVER AT WHITESBURG, AL
LOCATION - Lat 34°34'18", long 86°33'29" referenced to North American Datum of 1927, Madison County, AL, Hydrologic Unit 06030002, at Whitesburg, on right bank 2,500 ft upstream from Aldridge Creek, 3,000 ft upstream from Clement C. Clay Bridge on U.S. Highway 231, 11.0 mi south of Huntsville, 15.1 mi downstream from Guntersville Dam, and at mile 333.9.
DRAINAGE AREA - 25,610 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1924 to September 1997, October 1997 to September 1999(gage height only), October 1999 to September 2005, October 2005 to current year (gage heights only). Monthly discharge only for some periods, published in WSP 1306. Prior to October 1936, published as "at Decatur." Gage-height records collected in this vicinity since 1875 (fragmentary prior to April 1909) are contained in files of U.S. Army Corps of Engineers and in reports of National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 549.00 ft above NGVD of 1929. Oct 1, 1924, to Dec. 2, 1926, nonrecording gage, and Dec. 3, 1926, to Sept. 30, 1936, water-stage recorder, at site 28.3 mi downstream at datum 14.70 ft lower. Oct. 1, 1936, to Sept. 30, 1960, water-stage recorder 830 ft downstream at same datum. Since Mar. 4, 1937, auxiliary gage is located 28.3 mi downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 323,000 ft³/s, Mar. 19, 1973, gage height, 26.06 ft. Maximum gage height (since October 1997), 19.47 ft, March 11, 2011; Minimum gage height (since October 1997), 1.08 ft, Jan. 3, 4, 2001.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Jul. 01, 1999 to Sept 30, 2014 (discontinued). Records prior to Oct. 1, 2009 in files of the U.S. Geological Survey.
INSTRUMENTATION - Tipping-bucket raingage.