Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Jul 31 | Min (2001) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2000) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 618 | 618 | 798 | 852 | 1140 | 1140 |