Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2005) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 13 | Max (2017) |
|---|---|---|---|---|---|---|
| 865 | 988 | 1060 | 1070 | 1140 | 1260 | 1470 |