Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1999) | 25th percen- tile | Most Recent Instantaneous Value Jan 5 | Median | Mean | 75th percen- tile | Max (1997) |
|---|---|---|---|---|---|---|
| 895 | 1050 | 1140 | 1150 | 1210 | 1330 | 1750 |