Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1959) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Mar 7 | Max (1974) |
|---|---|---|---|---|---|---|
| 616 | 834 | 909 | 969 | 1050 | 1400 | 1880 |