Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value May 28 | Max (2004) |
|---|---|---|---|---|---|---|
| 1020 | 1120 | 1250 | 1330 | 1460 | 1640 | 2270 |