Station operated in cooperation with Portland Water Bureau.
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
| Boating safety tips |
| Min (1994) | Most Recent Instantaneous Value Oct 31 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1998) |
|---|---|---|---|---|---|---|
| 12.0 | 15.1 | 16 | 17 | 19 | 20 | 38.0 |