Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Feb 21 | Max (2018) |
|---|---|---|---|---|---|---|
| 991 | 1060 | 1160 | 1230 | 1280 | 1360 | 1880 |