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DESCRIPTION:

Latitude 41°21'16.5",   Longitude 88°25'42.6"   NAD83

Grundy County, Illinois, Hydrologic Unit 07120005

Drainage area: 7,483.00 square miles

Datum of gage: 478.17 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2016-08-09	2025-11-16
Daily Data
Precipitation, total, inches	2022-11-17	2025-11-15	1091
Discharge, cubic feet per second	2016-08-09	2025-11-15	3386
Gage height, feet	2016-08-10	2025-11-15	3342
Daily Statistics
Discharge, cubic feet per second	2016-08-09	2025-03-05	3131
Gage height, feet	2016-08-10	2025-03-05	3087
Monthly Statistics
Discharge, cubic feet per second	2016-08	2025-03
Gage height, feet	2016-08	2025-03
Annual Statistics
Discharge, cubic feet per second	2016	2025
Gage height, feet	2016	2025
Peak streamflow	2017-05-02	2024-01-27	8
Field measurements	2016-08-09	2025-08-27	56
Water-Year Summary	2016	2024	9
Revisions	Loading...

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