USGS 14243000 COWLITZ RIVER AT CASTLE ROCK, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service Flood Stage for this station is 48.0 feet.

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

Boating safety tips

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

Available Parameters Available Period
  
1961-12-20  2026-02-28
2007-10-01  2026-02-28
2008-10-01  2026-02-28
2020-10-29  2026-02-28
2023-03-01  2026-02-28
2023-03-01  2026-02-28







 (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: 8110 02-28-2026   11:30 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Feb 28 based on 98 water years of record more
Min
(1928)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Feb 28		 Median Mean 75th
percen-
tile		 Max
(1932)
4100 7500 8110 10800 12200 15100 47000