USGS 13333000 GRANDE RONDE RIVER AT TROY, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with the U.S. Army Corps of Engineers Walla Walla District and Confederated Tribes of the Umatilla Indian Reservation (CTUIR).


NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
Boating safety tips
Available Parameters Available Period
  
2024-03-26  2026-06-15
1989-03-21  2026-07-30
2007-10-01  2026-07-30







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 455 07-30-2026   16:00 PDT
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Daily discharge, cubic feet per second -- statistics for Jul 30 based on 81 water years of record more
Min
(1977)		 Most Recent
Instantaneous
Value Jul 30		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1984)
438 455 670 910 978 1280 2640

Gage height, feet
Most recent instantaneous value: 3.79 07-30-2026   16:00 PDT
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