Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Jan 29 | Min (1977) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1974) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 62.0 | 101 | 115 | 119 | 135 | 207 |