Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Jun 8 | 75th percen- tile | Max (2001) |
|---|---|---|---|---|---|---|
| 1020 | 1510 | 1830 | 1900 | 2070 | 2290 | 3140 |