Station operated in cooperation with Cleveland-Cliffs Inc. and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1996) | 25th percen- tile | Median | Most Recent Instantaneous Value Jun 9 | 75th percen- tile | Mean | Max (2019) |
|---|---|---|---|---|---|---|
| 21.0 | 25 | 25 | 25.3 | 26 | 27 | 44.4 |