Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2002) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 16 | Max (2021) |
|---|---|---|---|---|---|---|
| 850 | 962 | 1030 | 1050 | 1120 | 1180 | 1490 |