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 (1954) | Most Recent Instantaneous Value Aug 8 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1985) |
|---|---|---|---|---|---|---|
| 250 | 316 | 419 | 482 | 511 | 601 | 838 |