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  2026-05-18
2007-10-01  2026-05-18







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 1900 05-18-2026   23:15 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 19 based on 92 water years of record more
Min
(2025)		 Most Recent
Instantaneous
Value May 19		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1956)
1350 1900 2350 3330 3990 5590 9320

Gage height, feet
Most recent instantaneous value: 31.63 05-18-2026   23:15 PDT
Graph of Gage height, feet

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