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 Jun 14 | Max (2008) |
|---|---|---|---|---|---|---|
| 621 | 846 | 958 | 1020 | 1060 | 1100 | 2570 |