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 (1977) | 25th percen- tile | Most Recent Instantaneous Value Apr 19 | Median | Mean | 75th percen- tile | Max (1997) |
|---|---|---|---|---|---|---|
| 2070 | 4320 | 5010 | 5940 | 6600 | 8380 | 16600 |