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DESCRIPTION:

Latitude 38°30'41",   Longitude 122°27'17"   NAD27

Napa County, California, Hydrologic Unit 18050002

Drainage area: 78.8 square miles

Datum of gage: 191.33 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-02	2025-11-20
Daily Data
Temperature, water, degrees Celsius	1958-10-06	1979-01-31	11329
Discharge, cubic feet per second	1929-10-01	2025-11-19	30760
Gage height, feet	1995-07-01	2000-05-31	3529
Suspended sediment concentration, milligrams per liter	1960-11-01	1962-06-29	390
Suspended sediment discharge, short tons per day	1960-11-01	1962-06-30	515
Daily Statistics
Discharge, cubic feet per second	1929-10-01	2025-05-20	30577
Suspended sediment concentration, milligrams per liter	1960-11-01	1962-06-29	390
Suspended sediment discharge, short tons per day	1960-11-01	1962-06-30	515
Monthly Statistics
Discharge, cubic feet per second	1929-10	2025-05
Suspended sediment concentration, milligrams per liter	1960-11	1962-06
Suspended sediment discharge, short tons per day	1960-11	1962-06
Annual Statistics
Discharge, cubic feet per second	1930	2025
Suspended sediment concentration, milligrams per liter	1961	1962
Suspended sediment discharge, short tons per day	1961	1962
Peak streamflow	1929-12-15	2024-02-04	84
Field measurements	1929-12-11	2025-11-18	409
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1952-02-10	1979-05-02	184
Water-Year Summary	2005	2024	20
Revisions	Loading...

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