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  2026-01-04
2007-10-01  2026-01-04
2008-10-01  2026-01-04
2020-10-29  2026-01-04
2023-01-04  2026-01-04
2023-01-04  2026-01-04







 (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: 20900 01-04-2026   01:30 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 4 based on 99 water years of record more
Min
(1945)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Jan 4		 Max
(1997)
3200 9150 12600 14200 17400 20900 36700