Station operated in cooperation with the Upper Peninsula Power Company and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1987) | 25th percen- tile | Most Recent Instantaneous Value May 21 | Median | Mean | 75th percen- tile | Max (1996) |
|---|---|---|---|---|---|---|
| 3.50 | 50 | 69.3 | 168 | 259 | 376 | 961 |