Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1958) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Aug 1 | Max (1977) |
|---|---|---|---|---|---|---|
| 526 | 714 | 778 | 810 | 860 | 1250 | 2060 |