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DESCRIPTION:

Latitude 41°38'33",   Longitude 87°59'57"   NAD27

Cook County, Illinois, Hydrologic Unit 07120004

Drainage area: 20.9 square miles

Datum of gage: 637.20 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-09-19	2022-08-09
Daily Data
Discharge, cubic feet per second	1951-07-01	2022-08-08	25968
Gage height, feet	1991-10-01	2022-08-08	11190
Daily Statistics
Discharge, cubic feet per second	1951-07-01	2022-04-04	25846
Gage height, feet	1991-10-01	2022-04-04	11068
Monthly Statistics
Discharge, cubic feet per second	1951-07	2022-04
Gage height, feet	1991-10	2022-04
Annual Statistics
Discharge, cubic feet per second	1951	2022
Gage height, feet	1992	2022
Peak streamflow	1951-09-27	2021-06-29	71
Field measurements	1953-06-10	2022-07-05	432
Field/Lab water-quality samples	1974-10-09	1983-08-30	86
Water-Year Summary	2006	2021	16
Revisions	Loading...

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