Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2001) | 25th percen- tile | Mean | Median | Most Recent Instantaneous Value Jan 9 | 75th percen- tile | Max (2008) |
|---|---|---|---|---|---|---|
| 690 | 931 | 1080 | 1080 | 1120 | 1190 | 1910 |