Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1962) | 25th percen- tile | Most Recent Instantaneous Value Jun 7 | Median | Mean | 75th percen- tile | Max (2008) |
|---|---|---|---|---|---|---|
| 7.90 | 12 | 18.1 | 23 | 25 | 30 | 89.8 |