Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1961) | 25th percen- tile | Median | Most Recent Instantaneous Value Jul 11 | Mean | 75th percen- tile | Max (1954) |
|---|---|---|---|---|---|---|
| 5.80 | 8.9 | 12 | 13.5 | 16 | 17 | 65.0 |