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  2026-01-19
1989-03-21  2026-01-19
2007-10-01  2026-01-19







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: Eqp 01-19-2026   22:00 PST
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Discharge, cubic feet per second
Most recent instantaneous value: 1800 01-19-2026   22:00 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 20 based on 81 water years of record more
Min
(1987)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Jan 20		 Mean 75th
percen-
tile		 Max
(1971)
630 1070 1560 1800 2390 2780 12900

Gage height, feet
Most recent instantaneous value: 4.17 01-19-2026   22:00 PST
Graph of Gage height, feet

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