Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1956) | 25th percen- tile | Most Recent Instantaneous Value Feb 4 | Median | Mean | 75th percen- tile | Max (1973) |
|---|---|---|---|---|---|---|
| 573 | 739 | 779 | 875 | 883 | 1000 | 1440 |