Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jan 20 | Max (1996) |
|---|---|---|---|---|---|---|
| 185 | 257 | 291 | 332 | 343 | 427 | 832 |