Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2000) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 23 | Max (2008) |
|---|---|---|---|---|---|---|
| 789 | 923 | 990 | 1020 | 1110 | 1180 | 1590 |