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 |
| Min (2017) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jan 5 | Max (1997) |
|---|---|---|---|---|---|---|
| 558 | 887 | 1220 | 1650 | 1910 | 3910 | 11500 |