Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2000) | 25th percen- tile | Most Recent Instantaneous Value Dec 25 | Median | Mean | 75th percen- tile | Max (2007) |
|---|---|---|---|---|---|---|
| 929 | 1460 | 1510 | 1840 | 1950 | 2300 | 4040 |