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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) | 25th percen- tile | Median | Most Recent Instantaneous Value Nov 1 | Mean | 75th percen- tile | Max (2006) |
|---|---|---|---|---|---|---|
| 3.20 | 14 | 32 | 48.0 | 67 | 77 | 352 |