Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1940) | 25th percen- tile | Median | 75th percen- tile | Mean | Most Recent Instantaneous Value Jan 7 | Max (1998) |
|---|---|---|---|---|---|---|
| 15.0 | 135 | 270 | 560 | 592 | 672 | 5320 |