Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Dec 24 | Min (1977) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1988) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 4.60 | 11 | 15 | 17 | 21 | 47.0 |