Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1999) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value May 19 | Max (2020) |
|---|---|---|---|---|---|---|
| 1020 | 1230 | 1460 | 1550 | 1770 | 2850 | 3750 |