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 Oct 7 | Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2017) |
|---|---|---|---|---|---|---|
| 0.22 | 0.33 | 0.66 | 0.94 | 1.6 | 2.3 | 8.31 |