Station operated in cooperation with Cleveland-Cliffs Inc. and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2007) | 25th percen- tile | Median | Most Recent Instantaneous Value Feb 20 | Mean | 75th percen- tile | Max (1986) |
|---|---|---|---|---|---|---|
| 12.9 | 24 | 25 | 25.5 | 26 | 26 | 46.0 |