Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1956) | Most Recent Instantaneous Value Dec 23 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2007) |
|---|---|---|---|---|---|---|
| 11.0 | 13.1 | 17 | 24 | 27 | 30 | 97.2 |