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DESCRIPTION:

Latitude 41°39'10",   Longitude 87°40'13"   NAD27

Cook County, Illinois, Hydrologic Unit 07120003

Drainage area: 292.00 square miles

Datum of gage: 551.76 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2021-09-22	2025-07-06
Daily Data
Temperature, water, degrees Celsius	2022-07-07	2024-08-06	2259
Gage height, feet	2021-09-22	2025-07-05	3963
Water velocity reading from field sensor, feet per second	2021-09-23	2025-07-05	3783
Daily Statistics
Gage height, feet	2021-09-22	2024-12-09	1132
Water velocity reading from field sensor, feet per second	2021-09-23	2024-12-09	1065
Monthly Statistics
Gage height, feet	2021-09	2024-12
Water velocity reading from field sensor, feet per second	2021-09	2024-12
Annual Statistics
Gage height, feet	2021	2025
Water velocity reading from field sensor, feet per second	2021	2025
Field measurements	2021-09-22	2025-04-30	24
Water-Year Summary	2021	2024	4
Revisions	Loading...

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