Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | 25th percen- tile | Most Recent Instantaneous Value Jul 4 | Median | Mean | 75th percen- tile | Max (2008) |
|---|---|---|---|---|---|---|
| 902 | 1190 | 1440 | 1450 | 1500 | 1760 | 2500 |