Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Feb 22 | Min (1959) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1997) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 56.0 | 153 | 324 | 1200 | 1220 | 12600 |