Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | 25th percen- tile | Median | Most Recent Instantaneous Value May 28 | Mean | 75th percen- tile | Max (2004) |
|---|---|---|---|---|---|---|
| 1060 | 1820 | 2140 | 2260 | 2520 | 2630 | 6370 |