Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1936) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Feb 22 | Max (1953) |
|---|---|---|---|---|---|---|
| 540 | 900 | 998 | 1030 | 1100 | 1290 | 1880 |