Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1958) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value May 19 | Max (2020) |
|---|---|---|---|---|---|---|
| 9.20 | 21 | 30 | 45 | 49 | 54.0 | 295 |