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DESCRIPTION:

Latitude 38°22'06",   Longitude 122°18'08"   NAD27

Napa County, California, Hydrologic Unit 18050002

Drainage area: 218 square miles

Datum of gage: 24.74 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1981-12-19	2024-11-08
Daily Data
Temperature, water, degrees Celsius	1978-06-22	1981-10-19	1794
Temperature, water, degrees Celsius	2018-01-09	2024-11-08	3716
Temperature, water, degrees Celsius	1976-10-01	1978-06-21	203
Discharge, cubic feet per second	1929-10-01	2024-11-07	24875
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-06-22	1981-10-19	2031
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2018-01-09	2024-11-08	3716
Suspended sediment concentration, milligrams per liter	1976-10-01	1978-09-29	729
Suspended sediment discharge, short tons per day	1976-10-01	1978-09-29	729
Daily Statistics
Temperature, water, degrees Celsius	2018-01-09	2018-05-31	143
Discharge, cubic feet per second	1929-10-01	2024-04-24	24678
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-06-22	1981-10-19	677
Suspended sediment concentration, milligrams per liter	1976-10-01	1978-09-29	729
Suspended sediment discharge, short tons per day	1976-10-01	1978-09-29	729
Monthly Statistics
Temperature, water, degrees Celsius	2018-01	2018-05
Discharge, cubic feet per second	1929-10	2024-04
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-06	1981-10
Suspended sediment concentration, milligrams per liter	1976-10	1978-09
Suspended sediment discharge, short tons per day	1976-10	1978-09
Annual Statistics
Temperature, water, degrees Celsius	2018	2018
Discharge, cubic feet per second	1930	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978	1982
Suspended sediment concentration, milligrams per liter	1977	1978
Suspended sediment discharge, short tons per day	1977	1978
Peak streamflow	1929-12-15	2023-03-10	67
Field measurements	1959-10-02	2024-11-04	621
Field/Lab water-quality samples	1970-05-05	2018-04-08	586
Water-Year Summary	2005	2023	19
Revisions	Loading...

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