Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1989) | 25th percen- tile | Median | Most Recent Instantaneous Value Feb 23 | Mean | 75th percen- tile | Max (1994) |
|---|---|---|---|---|---|---|
| 750 | 1160 | 1260 | 1310 | 1310 | 1420 | 2030 |