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 Sep 12 | Max (1986) |
|---|---|---|---|---|---|---|
| 664 | 810 | 857 | 899 | 920 | 952 | 2060 |