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 (1992) | Most Recent Instantaneous Value May 23 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2008) |
|---|---|---|---|---|---|---|
| 635 | 1110 | 1550 | 2550 | 2660 | 3370 | 7080 |