Station operated in cooperation with the Upper Peninsula Power Company and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1977) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jan 9 | Max (1939) |
|---|---|---|---|---|---|---|
| 13.0 | 181 | 225 | 228 | 264 | 316 | 489 |