Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2005) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 23 | Max (2008) |
|---|---|---|---|---|---|---|
| 788 | 882 | 952 | 980 | 1060 | 1120 | 1450 |