Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1966) | 25th percen- tile | Median | Most Recent Instantaneous Value Jul 23 | 75th percen- tile | Mean | Max (1952) |
|---|---|---|---|---|---|---|
| 184 | 216 | 232 | 236 | 254 | 257 | 993 |