Station operated in cooperation with the Michigan Department of Transportation and South Branch Township with additional support from the Mason-Griffith Founders Chapter of Trout Unlimited.
| Min (2003) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 31 | Max (1969) |
|---|---|---|---|---|---|---|
| 96.6 | 115 | 133 | 138 | 155 | 235 | 239 |