Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Aug 24 | Max (1912) |
|---|---|---|---|---|---|---|
| 474 | 564 | 637 | 645 | 680 | 932 | 1240 |