USGS 11456000 NAPA R NR ST HELENA CA

PROVISIONAL DATA SUBJECT TO REVISION

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> Rating Information
Available Parameters Available Period
  
1987-10-02  2025-07-20
2007-10-01  2025-07-20
2022-07-19  2025-07-20







 (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: 0.85 07-20-2025   02:30 PDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 20 based on 83 water years of record more
Min
(1959)
25th
percen-
tile
Most Recent
Instantaneous
Value Jul 20
Median Mean 75th
percen-
tile
Max
(1941)
0.00 0.4 0.85 1.6 1.9 2.8 8.00


Gage height, feet

Most recent instantaneous value: 1.15 07-20-2025   02:30 PDT
Graph of  Gage height, feet

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