Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1940) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jan 21 | Max (1973) |
|---|---|---|---|---|---|---|
| 25.0 | 135 | 235 | 448 | 480 | 609 | 2500 |