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DESCRIPTION:

Latitude 39°12'51",   Longitude 121°59'57"   NAD27

Colusa County, California, Hydrologic Unit 18020104

Drainage area: 12,090 square miles

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2024-04-24
Daily Data
Temperature, water, degrees Celsius	1975-02-09	1998-09-30	2480
Discharge, cubic feet per second	1921-04-11	2024-04-23	34052
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1995-10-01	1998-09-30	2030
Suspended sediment concentration, milligrams per liter	1972-12-18	1980-05-31	950
Suspended sediment discharge, short tons per day	1972-12-18	1980-05-31	950
Total sediment discharge, short tons per day	1975-02-09	1975-03-30	30
Daily Statistics
Discharge, cubic feet per second	1921-04-11	2023-12-06	33913
Suspended sediment concentration, milligrams per liter	1972-12-18	1980-05-31	950
Suspended sediment discharge, short tons per day	1972-12-18	1980-05-31	950
Total sediment discharge, short tons per day	1975-02-09	1975-03-30	30
Monthly Statistics
Discharge, cubic feet per second	1921-04	2023-12
Suspended sediment concentration, milligrams per liter	1972-12	1980-05
Suspended sediment discharge, short tons per day	1972-12	1980-05
Total sediment discharge, short tons per day	1975-02	1975-03
Annual Statistics
Discharge, cubic feet per second	1921	2024
Suspended sediment concentration, milligrams per liter	1973	1980
Suspended sediment discharge, short tons per day	1973	1980
Total sediment discharge, short tons per day	1975	1975
Peak streamflow	1941-02-12	2023-01-16	83
Field measurements	1987-09-09	2024-04-11	293
Field/Lab water-quality samples	1958-10-03	2002-03-07	436
Water-Year Summary	2005	2023	19
Revisions	Loading...

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