Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (2003) | 25th percen- tile | Most Recent Instantaneous Value Jan 4 | Median | Mean | 75th percen- tile | Max (2020) |
|---|---|---|---|---|---|---|
| 883 | 1000 | 1010 | 1100 | 1160 | 1270 | 1900 |