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  2026-06-10
2007-10-01  2026-06-10
2008-10-01  2026-06-10
2020-10-29  2026-06-10
2023-06-10  2026-06-10
2023-06-10  2026-06-10







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 6530 06-10-2026   06:30 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jun 10 based on 84 water years of record more
Min
(1973)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Jun 10		 Median Mean 75th
percen-
tile		 Max
(1933)
3330 6120 6530 10000 10400 12200 31600

Gage height, feet, [NAVD 1988, feet]
Most recent instantaneous value: 34.58 06-10-2026   06:30 PDT
Graph of Gage height, feet, [NAVD 1988, feet]

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