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 (1955) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Mar 6 | 75th percen- tile | Max (2014) |
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| 730 | 1930 | 2890 | 3480 | 3610 | 4450 | 15100 |