USGS 14238000 COWLITZ RIVER BELOW MAYFIELD DAM, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service Flood Flow for this station is 25,000 cfs.

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

Station Notes
gage
This station is 1.4 miles below Mayfield Reservoir, photo of reach below dam to gage. The flow can change quickly from releases. Please use caution in or on the river.

Boating safety tips

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

Available Parameters Available Period
  
1951-02-08  2025-09-02
2007-10-01  2025-09-02







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 2370 09-02-2025   00:45 PDT
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Daily discharge, cubic feet per second -- statistics for Sep 2 based on 91 water years of record more
Min
(1940)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Sep 2		 Median Mean 75th
percen-
tile		 Max
(1999)
1250 1910 2370 2490 2600 3070 6060

Gage height, feet
Most recent instantaneous value: 9.85 09-02-2025   00:45 PDT
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