USGS 12484500 YAKIMA RIVER AT UMTANUM, 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 35.5 feet.

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

Boating safety tips

This station managed by the Mid-Columbia Field Office (Kennewick).

Available Parameters Available Period
  
1987-10-09  2026-09-29
2007-10-01  2026-09-29







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 966 09-29-2026   12:15 PDT
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Daily discharge, cubic feet per second -- statistics for Sep 29 based on 92 water years of record more
Min
(2025)		 Most Recent
Instantaneous
Value Sep 29		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1949)
566 966 1170 1400 1570 1910 3600

Gage height, feet
Most recent instantaneous value: 30.98 09-29-2026   12:15 PDT
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