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 (1981) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Jul 16 | Max (1984) |
|---|---|---|---|---|---|---|
| 101 | 121 | 141 | 154 | 188 | 197 | 322 |