Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1936) | 25th percen- tile | Most Recent Instantaneous Value May 24 | Median | Mean | 75th percen- tile | Max (2004) |
|---|---|---|---|---|---|---|
| 84.0 | 196 | 294 | 345 | 613 | 649 | 6480 |