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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: -3.00 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2024-12-01
Daily Data
Temperature, water, degrees Celsius	1966-10-01	2023-04-11	45406
Discharge, cubic feet per second	1938-10-01	2024-11-30	31473
Daily Statistics
Temperature, water, degrees Celsius	1988-10-01	2023-04-11	5763
Discharge, cubic feet per second	1938-10-01	2024-03-25	31223
Monthly Statistics
Temperature, water, degrees Celsius	1988-10	2023-04
Discharge, cubic feet per second	1938-10	2024-03
Annual Statistics
Temperature, water, degrees Celsius	1989	2023
Discharge, cubic feet per second	1939	2024
Peak streamflow	1939-03-15	2023-01-16	85
Field measurements	1987-09-09	2024-10-10	282
Field/Lab water-quality samples	1985-08-13	2017-09-06	8
Water-Year Summary	2005	2023	19
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