Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2003) | 25th percen- tile | Median | Most Recent Instantaneous Value Jul 29 | Mean | 75th percen- tile | Max (1969) |
|---|---|---|---|---|---|---|
| 188 | 216 | 232 | 233 | 241 | 248 | 687 |