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 (2007) | Most Recent Instantaneous Value May 27 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1948) |
|---|---|---|---|---|---|---|
| 2460 | 3070 | 5030 | 7220 | 7400 | 8980 | 22800 |