Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1936) | 25th percen- tile | Median | Most Recent Instantaneous Value Jul 12 | 75th percen- tile | Mean | Max (1970) |
|---|---|---|---|---|---|---|
| 4.60 | 66 | 103 | 163 | 227 | 313 | 5620 |