Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1999) | Most Recent Instantaneous Value Jan 3 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2005) |
|---|---|---|---|---|---|---|
| 716 | 923 | 1010 | 1150 | 1180 | 1240 | 1820 |