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


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
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 11456000 NAPA R NR ST HELENA CA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
> Rating Information
Available Parameters Available Period
  
1987-10-02  2024-12-24
2007-10-01  2024-12-24
2021-12-25  2024-12-24







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 513 12-24-2024   10:30 PST
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 Dec 24 based on 83 water years of record more
Min
(2021)		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Most Recent
Instantaneous
Value Dec 24		 Max
(1970)
0.00 5.3 32 214 264 513 2930

Gage height, feet
Most recent instantaneous value: 4.55 12-24-2024   10:30 PST
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: 195.88 12-24-2024   10:30 PST
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 |