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  2025-03-22
2007-10-01  2025-03-22
2008-10-01  2025-03-22
2020-10-29  2025-03-22
2022-03-23  2025-03-22
2022-03-23  2025-03-22







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 12400 03-22-2025   02:30 PDT
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Daily discharge, cubic feet per second -- statistics for Mar 22 based on 98 water years of record more
Min
(1943)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Mar 22		 75th
percen-
tile		 Max
(1948)
3930 7650 9150 10700 12400 13300 26100

Gage height, feet, [NAVD 1988, feet]
Most recent instantaneous value: 36.14 03-22-2025   02:30 PDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 36.14 03-22-2025   02:30 PDT
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), RIGHT BANK, [Analite NEP5000]
Most recent instantaneous value: 27.8 03-22-2025   01:20 PDT
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Water velocity reading from field sensor, feet per second, RIGHT BANK, [from ADVM 1500kHz]
Most recent instantaneous value: 4.94 03-22-2025   01:15 PDT
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Water velocity reading from field sensor, feet per second, RIGHT BANK, [from ADVM 500kHz]
Most recent instantaneous value: 4.92 03-22-2025   01:15 PDT
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