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DESCRIPTION:

Latitude 41°32'23.5",   Longitude 87°38'58"   NAD83

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 23.5 square miles

Datum of gage: 616.45 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-09-01	2024-11-23
Daily Data
Discharge, cubic feet per second	1948-05-17	2024-11-21	27946
Gage height, feet	1993-10-01	2024-11-21	11282
Daily Statistics
Discharge, cubic feet per second	1948-05-17	2024-08-26	27861
Gage height, feet	1993-10-01	2024-08-26	11197
Monthly Statistics
Discharge, cubic feet per second	1948-05	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	1948-03-19	2023-03-31	76
Field measurements	1948-05-11	2024-10-23	453
Field/Lab water-quality samples	1974-10-10	1983-08-31	78
Water-Year Summary	2006	2023	18
Revisions	Loading...

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