Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1999) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value May 28 | Max (2004) |
|---|---|---|---|---|---|---|
| 1410 | 1610 | 1720 | 1910 | 2150 | 2340 | 3020 |