Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | 25th percen- tile | Median | Mean | Most Recent Instantaneous Value Jun 9 | 75th percen- tile | Max (2009) |
|---|---|---|---|---|---|---|
| 998 | 1110 | 1220 | 1250 | 1280 | 1320 | 1810 |