USGS 14233500 COWLITZ RIVER NEAR KOSMOS, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Funding for this site is provided by the cooperators / programs below:

Station Notes
gage
The near-realtime data for this station are provided by Lewis County Public Utility District. Follow this link for more information about the Cowlitz Falls project.

Boating safety tips

This station managed by the Western Washington Field Office (Tacoma).

Available Parameters Available Period
  
2025-06-11  2025-10-08
1993-10-21  2009-09-30







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second, [(2)]
Most recent instantaneous value: 550 10-08-2025   23:30 PDT
Graph of Discharge, cubic feet per second, [(2)]

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Daily discharge, cubic feet per second -- statistics for Oct 9 based on 75 water years of record more
Most Recent
Instantaneous
Value Oct 9		 Min
(2002)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1956)
550 574 944 1180 1720 1780 7660