Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Jul 18 | Min (1998) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2006) |
|---|---|---|---|---|---|---|
| 76.9 | 120 | 167 | 195 | 223 | 232 | 506 |