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 (1937) | Most Recent Instantaneous Value Jan 30 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1965) |
|---|---|---|---|---|---|---|
| 614 | 1110 | 1670 | 2290 | 3600 | 3900 | 27500 |