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USGS 11290000 TUOLUMNE R A MODESTO CA

  Stream Site

DESCRIPTION:
Latitude 37°37'38",   Longitude 120°59'00"   NAD27
Stanislaus County, California, Hydrologic Unit 18040009
Drainage area: 1,884 square miles
Datum of gage: 2.46 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1988-12-03  2025-10-24  
 Daily Data
    Temperature, water, degrees Celsius  1965-07-21  2023-06-06  34379 
    Discharge, cubic feet per second  1895-01-01  2025-10-23  31983 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1988-12-24  2023-06-07  24123 
 Daily Statistics 
    Temperature, water, degrees Celsius  1971-07-28  2023-01-09 7519 
    Discharge, cubic feet per second  1895-01-01  2024-12-08 31664 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1988-12-24  2022-11-08 6632 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1971-07  2023-01  
    Discharge, cubic feet per second  1895-01  2024-12  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1988-12  2022-11  
 Annual Statistics 
    Temperature, water, degrees Celsius  1971  2023  
    Discharge, cubic feet per second  1895  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1989  2023  
 Peak streamflow 1895-02-13  2024-03-03  84 
 Field measurements 1942-04-28  2025-08-25  783 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1985-06-24  2017-08-30  159 
 Water-Year Summary 2005  2024  20 
 Revisions  Loading...
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