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 18 | Max (2006) |
|---|---|---|---|---|---|---|
| 798 | 932 | 991 | 1090 | 1090 | 1180 | 2660 |