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
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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
  
2025-10-04  2026-02-01
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: 4440 02-01-2026   14:30 PST
Graph of Discharge, cubic feet per second, [(2)]

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Daily discharge, cubic feet per second -- statistics for Feb 1 based on 75 water years of record more
Min
(1979)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Feb 1		 Mean 75th
percen-
tile		 Max
(2003)
1280 3240 4410 4440 6970 7130 44500