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 (2021) | Most Recent Instantaneous Value May 28 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2010) |
|---|---|---|---|---|---|---|
| 0.40 | 1.23 | 1.8 | 3.6 | 4.9 | 8.5 | 17.2 |