| This station operated in cooperation with the Cheyenne River Sioux Tribe. |
| Boating safety tips |
| Most Recent Instantaneous Value Feb 26 | Min (1944) | 25th percen- tile | Median | 75th percen- tile | Mean | Max (1997) |
|---|---|---|---|---|---|---|
| -- unavailable -- | 0.00 | 2 | 18 | 59 | 73 | 1500 |