Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1964) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value May 28 | 75th percen- tile | Max (2019) |
|---|---|---|---|---|---|---|
| 512 | 917 | 1050 | 1090 | 1190 | 1220 | 1940 |