Station operated in cooperation with the Michigan Department of Environment, Great Lakes and Energy.
| Most Recent Instantaneous Value Feb 1 | Min (1963) | 25th percen- tile | Median | Mean | 75th percen- tile | Max (1969) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 25.0 | 71 | 101 | 117 | 139 | 393 |