Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1998) | Most Recent Instantaneous Value Aug 19 | 25th percen- tile | Median | Mean | 75th percen- tile | Max (2001) |
|---|---|---|---|---|---|---|
| 851 | 970 | 1010 | 1150 | 1220 | 1370 | 2170 |