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Idaho Water Science Center  | Subscribe to Water Alerts  |  Threatened and Endangered Stations in Idaho
ice During winter months, stage and discharge may be affected by ice in the channel. Data values reported on these pages may be significantly higher or lower than the actual streamflow. Adjustments to the data will be done after detailed analyses. Ice affected values identified on graphs () may be viewed by choosing the table output format. If you have questions about these values, please contact the Idaho Water Data Maintainer.


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.

[location map] 

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
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2016-02-11
00065 Gage height 2015-10-14  2016-02-11

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


Discharge, cubic feet per second

Most recent instantaneous value: 1,890   02-11-2016  00:00 PST
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Daily discharge, cubic feet per second -- statistics for Feb 11 based on 71 years of record more
Min
(1981)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Feb 11
Mean 75th
percen-
tile
Max
(1996)
628 1250 1840 1890 2650 2800 20500


Gage height, feet

Most recent instantaneous value: 4.22   02-11-2016  00:00 PST
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