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Station operated in cooperation with city of Portland, Bureau of Environmental Services (BES).
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
| Min (2002) | 25th percen- tile | Mean | Median | 75th percen- tile | Max (2011) | Most Recent Instantaneous Value Jul 26 |
|---|---|---|---|---|---|---|
| 0.34 | 0.76 | 1 | 1 | 1.2 | 1.97 | 7.12 |