Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1982) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jun 9 | Max (2009) |
|---|---|---|---|---|---|---|
| 781 | 911 | 1030 | 1070 | 1170 | 1230 | 1880 |