Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | Most Recent Instantaneous Value Jul 31 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1976) |
|---|---|---|---|---|---|---|
| 1.80 | 3.58 | 3.7 | 5 | 5.2 | 6.3 | 12.0 |