USGS 11456000 NAPA R NR ST HELENA CA

PROVISIONAL DATA SUBJECT TO REVISION

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Available Parameters Available Period
  
1987-10-02  2025-09-05
2007-10-01  2025-09-05
2022-09-04  2025-09-05







 (7)
 

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


Discharge, cubic feet per second

Most recent instantaneous value: 0.00 09-06-2025   03:30 PDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 6 based on 83 water years of record more
Most Recent
Instantaneous
Value Sep 6
Min
(1959)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1941)
0.00 0.00 0.1 0.4 0.69 1.1 4.30