Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2001) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 11 | Max (2008) |
|---|---|---|---|---|---|---|
| 1240 | 1390 | 1500 | 1530 | 1660 | 2070 | 2140 |