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DESCRIPTION:

Latitude 41°46'20",   Longitude 89°44'44"   NAD83

Whiteside County, Illinois, Hydrologic Unit 07090005

Drainage area: 8,753 square miles

Datum of gage: 603.13 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-04-01	2025-01-31
Daily Data
Discharge, cubic feet per second	1914-10-01	2025-01-30	37521
Gage height, feet	1993-10-01	2025-01-30	11217
Daily Statistics
Discharge, cubic feet per second	1914-10-01	2024-11-05	37435
Gage height, feet	1993-10-01	2024-11-05	11131
Monthly Statistics
Discharge, cubic feet per second	1914-10	2024-11
Gage height, feet	1993-10	2024-11
Annual Statistics
Discharge, cubic feet per second	1915	2025
Gage height, feet	1994	2025
Peak streamflow	1915-02-25	2024-07-16	105
Field measurements	1947-03-21	2024-11-06	400
Field/Lab water-quality samples	1970-10-06	2021-12-09	340
Water-Year Summary	2006	2024	19
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