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 Oct 14 | Max (2020) |
|---|---|---|---|---|---|---|
| 820 | 856 | 979 | 1010 | 1100 | 1230 | 1390 |