Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1958) | 25th percen- tile | Most Recent Instantaneous Value Jul 23 | Median | 75th percen- tile | Mean | Max (1952) |
|---|---|---|---|---|---|---|
| 5.90 | 9.4 | 10.0 | 12 | 16 | 23 | 202 |