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 |
Temperature, water, degrees Celsius |
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| Min (2001) | Most Recent Instantaneous Value Sep 30 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1959) |
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| 443 | 553 | 598 | 724 | 748 | 803 | 1880 |