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 31 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1955) |
|---|---|---|---|---|---|---|
| 511 | 1030 | 1330 | 1990 | 2260 | 3090 | 4980 |