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USGS 11458000 NAPA R NR NAPA CA

  Stream Site

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)    2007-10-01  2016-09-28  
 Daily Data
    Temperature, water, degrees Celsius  1978-06-22  1981-10-19  1997 
    Discharge, cubic feet per second  1929-10-01  2016-09-27  21913 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1978-06-22  1981-10-19  2031 
    Suspended sediment concentration, milligrams per liter  1976-10-01  1978-09-30  730 
    Suspended sediment discharge, short tons per day  1976-10-01  1978-09-30  730 
 Daily Statistics 
    Discharge, cubic feet per second  1929-10-01  2016-04-04 21737 
    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  1978-09-30 730 
    Suspended sediment discharge, short tons per day  1976-10-01  1978-09-30 730 
 Monthly Statistics 
    Discharge, cubic feet per second  1929-10  2016-04  
    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 
    Discharge, cubic feet per second  1930  2016  
    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  2014-12-11  59 
 Field measurements 1959-10-02  2016-09-08  537 
 Field/Lab water-quality samples 1970-05-05  1993-07-13  554 
 Water-Year Summary 2005  2015  11 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1981-12-19  2007-09-30  714471 
OPERATION:
Record for this site is maintained by the USGS California Water Science Center
Email questions about this site to California Water Science Center Water-Data Inquiries