Station operated in cooperation with the City of Sturgis and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1964) | 25th percen- tile | Median | Most Recent Instantaneous Value Aug 2 | Mean | 75th percen- tile | Max (1981) |
|---|---|---|---|---|---|---|
| 109 | 416 | 620 | 665 | 721 | 903 | 3180 |