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


Page Loading - Please Wait...

Click to hideNews Bulletins
Click to hide state-specific text

* IMPORTANT: Next Generation Station Page

USGS 11456000 NAPA R NR ST HELENA CA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
> WaterNow – get the latest gage data from your mobile phone or email.
> Rating Information
Available Parameters Available Period
  
1987-10-02  2020-03-30
2007-10-01  2020-03-30







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 9.67 03-30-2020   03:15 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      

Share this graph |

Daily discharge, cubic feet per second -- statistics for Mar 30 based on 78 water years of record more
Min
(1977)		 Most Recent
Instantaneous
Value Mar 30		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(1940)
3.00 9.67 34 70 161 253 5520

Gage height, feet
Most recent instantaneous value: 0.82 03-30-2020   03:15 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      

Share this graph |