Station operated in cooperation with Portland Water Bureau.
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 |
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Dec 11 | Max (1957) |
|---|---|---|---|---|---|---|
| 577 | 1460 | 2500 | 4000 | 4950 | 9800 | 23700 |