LOCATION.-- Lat 42°26'10", long 89°11'50" (NAD of 1927), in SE1/4SW1/4 sec.11, T.28 N., R.11 E., Winnebago County, Hydrologic Unit 07090003, near left bank on downstream side of highway bridge over mouth of Sugar River, 0.5 mi south of Shirland and 7.5 mi upstream from mouth. | |
DRAINAGE AREA.-- 2,540 mi2, approximately. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1939 to September 1958. | |
GAGE.-- Wire-weight gage read once daily. Datum of gage is 711.79 ft above NGVD of 1929 (levels by Corps of Engineers). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge observed, 15,200 ft3/s Jan. 8, 1946, gage height, 16.72 ft; minimum daily discharge, 335 ft3/s Sept. 7, 14, 15, 1958; minimum gage height observed, 2.44 ft July 24, 1940. | |