Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1964) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 11 | Max (1984) |
|---|---|---|---|---|---|---|
| 512 | 753 | 843 | 869 | 918 | 1280 | 1770 |