Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1987) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Jun 8 | 75th percen- tile | Max (1943) |
|---|---|---|---|---|---|---|
| 818 | 916 | 1030 | 1070 | 1170 | 1170 | 1660 |