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DESCRIPTION:

Latitude 42°26'17",   Longitude 89°10'30"   NAD83

Winnebago County, Illinois, Hydrologic Unit 07090003

Drainage area: 2,556 square miles

Datum of gage: 711.59 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2002-08-01	2025-12-01
Daily Data
Discharge, cubic feet per second	1939-10-01	2025-11-28	15461
Gage height, feet	2002-08-01	2025-11-28	8085
Daily Statistics
Discharge, cubic feet per second	1939-10-01	2025-07-08	15318
Gage height, feet	2002-08-01	2025-07-08	7942
Monthly Statistics
Discharge, cubic feet per second	1939-10	2025-07
Gage height, feet	2002-08	2025-07
Annual Statistics
Discharge, cubic feet per second	1940	2025
Gage height, feet	2002	2025
Peak streamflow	2003-05-16	2024-07-20	22
Field measurements	2002-06-06	2025-11-19	149
Water-Year Summary	2006	2024	19
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