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  2026-10-13
1986-11-30  2026-10-13
2007-10-01  2026-10-13
2023-10-12  2026-10-13
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: 17.1 10-13-2026   02:45 PDT
Graph of Temperature, water, degrees Celsius

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

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Discharge, cubic feet per second
Most recent instantaneous value: 1290 10-13-2026   02:45 PDT
Graph of Discharge, cubic feet per second

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

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |

Daily discharge, cubic feet per second -- statistics for Oct 13 based on 98 water years of record more
Min
(1978)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Oct 13		 Median Mean 75th
percen-
tile		 Max
(1984)
250 1220 1290 1690 2170 2590 14500

Gage height, feet
Most recent instantaneous value: 8.44 10-13-2026   02:45 PDT
Graph of Gage height, feet

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

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 11.01 10-13-2026   02:45 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"

?
 
Note



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

See this graph on the Monitoring Location Pages

Share this graph |


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 --