Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Min (1959) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jan 10 | Max (1998) |
|---|---|---|---|---|---|---|
| 44.0 | 130 | 240 | 487 | 557 | 2500 | 4400 |