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  2025-10-08
2007-10-01  2025-10-08







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 564 10-08-2025   11:15 PDT
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Daily discharge, cubic feet per second -- statistics for Oct 8 based on 92 water years of record more
Min
(1974)		 Most Recent
Instantaneous
Value Oct 8		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(1950)
414 564 1100 1340 1340 1570 3200

Gage height, feet
Most recent instantaneous value: 30.58 10-08-2025   11:15 PDT
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