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 2 | Max (1977) |
|---|---|---|---|---|---|---|
| 576 | 735 | 794 | 825 | 870 | 1030 | 2040 |