Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1964) | 25th percen- tile | Median | Most Recent Instantaneous Value Dec 31 | Mean | 75th percen- tile | Max (2020) |
|---|---|---|---|---|---|---|
| 748 | 900 | 970 | 989 | 1040 | 1110 | 1980 |