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DESCRIPTION:

Latitude 41°31'49",   Longitude 87°37'20"   NAD27

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 24.7 square miles

Datum of gage: 610.97 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-09-01	2022-05-26
Daily Data
Discharge, cubic feet per second	1949-05-17	2022-05-25	26667
Gage height, feet	1993-10-01	2022-05-25	10149
Daily Statistics
Discharge, cubic feet per second	1949-05-17	2022-01-30	26557
Gage height, feet	1993-10-01	2022-01-30	10039
Monthly Statistics
Discharge, cubic feet per second	1949-05	2022-01
Gage height, feet	1993-10	2022-01
Annual Statistics
Discharge, cubic feet per second	1949	2022
Gage height, feet	1994	2022
Peak streamflow	1949-12-22	2021-06-26	72
Field measurements	1954-10-11	2022-05-17	427
Field/Lab water-quality samples	1974-10-01	1983-08-31	100
Water-Year Summary	2006	2021	16
Revisions	Loading...

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