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DESCRIPTION:

Latitude 41°36'25.3",   Longitude 87°35'51.3"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 208 square miles

Datum of gage: 574.70 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2024-11-21
Daily Data
Precipitation, total, inches	2000-10-01	2024-11-20	7800
Discharge, cubic feet per second	1947-10-01	2024-11-20	28176
Gage height, feet	1993-10-01	2024-11-20	11237
Daily Statistics
Discharge, cubic feet per second	1947-10-01	2024-08-26	28090
Gage height, feet	1993-10-01	2024-08-26	11151
Monthly Statistics
Discharge, cubic feet per second	1947-10	2024-08
Gage height, feet	1993-10	2024-08
Annual Statistics
Discharge, cubic feet per second	1948	2024
Gage height, feet	1994	2024
Peak streamflow	1947-04-06	2023-09-17	77
Field measurements	1954-10-11	2024-10-23	464
Field/Lab water-quality samples	1974-10-09	1988-08-12	102
Water-Year Summary	2006	2023	18
Revisions	Loading...

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