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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: 191.37 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2017-07-28
Daily Data
Temperature, water, degrees Celsius	1961-10-05	1979-01-31	11329
Discharge, cubic feet per second	1929-10-01	2017-07-26	27721
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	2016-10-10	27433
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	2016-10
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	2017
Suspended sediment concentration, milligrams per liter	1961	1962
Suspended sediment discharge, short tons per day	1961	1962
Peak streamflow	1929-12-15	2016-03-06	76
Field measurements	1929-12-11	2017-06-26	325
Field/Lab water-quality samples	1952-02-10	1979-05-02	184
Water-Year Summary	2005	2016	12
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1987-10-02	2007-09-30	519570

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