Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 11303500 SAN JOAQUIN R NR VERNALIS CA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Click to enlarge
Site Photo
Site Photo
> Rating Information
This station managed by the Sacramento Field Office.

Available Parameters Available Period
  
2007-10-01  2025-09-19
1986-11-30  2025-09-19
2007-10-01  2025-09-19
2022-11-17  2025-09-19
2014-10-01  2016-08-18







 (7)
 

  -- or --

 


 

Summary of all available data for this site
Instantaneous-data availability statement


Temperature, water, degrees Celsius

Most recent instantaneous value: 22.8 09-19-2025   10:45 PDT
Graph of  Temperature, water, degrees Celsius

Add up to 2 more sites and replot for "Temperature, water, degrees Celsius"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages




Discharge, cubic feet per second

Most recent instantaneous value: 830 09-19-2025   10:45 PDT
Graph of  Discharge, cubic feet per second

Add up to 2 more sites and replot for "Discharge, cubic feet per second"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages


Daily discharge, cubic feet per second -- statistics for Sep 19 based on 96 water years of record more
Min
(1977)
Most Recent
Instantaneous
Value Sep 19
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1983)
227 830 899 1370 1760 2120 10900


Gage height, feet

Most recent instantaneous value: 7.63 09-19-2025   10:45 PDT
Graph of  Gage height, feet

Add up to 2 more sites and replot for "Gage height, feet"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages




Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 10.20 09-19-2025   10:45 PDT
Graph of  Stream water level elevation above NAVD 1988, in feet

Add up to 2 more sites and replot for "Stream water level elevation above NAVD 1988, in feet"

?
 


Create presentation-quality / stand-alone graph.   Subscribe to WaterAlert      

See this graph on the Monitoring Location Pages



Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), TS032: FTS DTS-12
 
-- Data temporarily unavailable for the time period specified --