USGS Current Conditions for USGS 11456000 NAPA R NR ST HELENA CA x

USGS 11456000 NAPA R NR ST HELENA CA

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NWS Flood Stage: 18 ft.

Peak Chart

Available Parameters	Available Period
All 3 Available Parameters for this site
00060 Discharge	1987-10-02	2025-07-20
00065 Gage height	2007-10-01	2025-07-20
63160 Stream level, NAVD88	2022-07-19	2025-07-20

Days (7)

-- or --
Begin date

End date

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

Most recent instantaneous value: 0.85 07-20-2025 02:30 PDT

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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

Most recent instantaneous value: 1.15 07-20-2025 02:30 PDT

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for California
URL: https://waterdata.usgs.gov/ca/nwis/uv?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-07-20 05:42:34 EDT
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