Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1958) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value May 28 | Max (1912) |
|---|---|---|---|---|---|---|
| 802 | 975 | 1090 | 1160 | 1260 | 1480 | 2260 |