Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1958) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value May 17 | 75th percen- tile | Max (1974) |
|---|---|---|---|---|---|---|
| 674 | 992 | 1110 | 1150 | 1210 | 1280 | 1820 |