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DESCRIPTION:

Latitude 39°00'36",   Longitude 121°49'25"   NAD27

Colusa County, California, Hydrologic Unit 18020104

Drainage area: 12,915 square miles

Datum of gage: -1.28 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2025-11-23
Daily Data
Temperature, water, degrees Celsius	1966-10-01	2023-04-11	45406
Discharge, cubic feet per second	1938-10-01	2025-11-22	31830
Daily Statistics
Temperature, water, degrees Celsius	1988-10-01	2023-04-11	5763
Discharge, cubic feet per second	1938-10-01	2024-12-04	31477
Monthly Statistics
Temperature, water, degrees Celsius	1988-10	2023-04
Discharge, cubic feet per second	1938-10	2024-12
Annual Statistics
Temperature, water, degrees Celsius	1989	2023
Discharge, cubic feet per second	1939	2025
Peak streamflow	1939-03-15	2024-02-21	86
Field measurements	1987-09-09	2025-09-09	288
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1985-08-13	2017-09-06	8
Water-Year Summary	2005	2024	20
Revisions	Loading...

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