Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1963) | 25th percen- tile | Most Recent Instantaneous Value Feb 26 | Median | Mean | 75th percen- tile | Max (2017) |
|---|---|---|---|---|---|---|
| 198 | 232 | 234 | 256 | 288 | 315 | 644 |