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.
| Most Recent Instantaneous Value Aug 25 | Min (2002) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (2004) |
|---|---|---|---|---|---|---|
| 0.07 | 0.22 | 0.59 | 0.89 | 1.2 | 2.1 | 25.3 |