USGS Streamgage 06403700
Cheyenne River at Red Shirt, SD
Cheyenne River at Red Shirt, SD is USGS streamgage 06403700, monitoring river discharge in hydrologic subbasin 10120109. It drains a watershed of about 10,259 square miles. Discharge records at this site go back to 1998. Typical flow runs near 60.9 cfs in July and 88.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 10,259 sq mi
- Gauge elevation
- 2,665 ft
- Subbasin (HUC-8)
- 10120109
- Coordinates
- 43.67241, -102.89213
- USGS site number
- 06403700
- Records begin
- 1998-09-12 (28 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 28 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 44.9 | 70.2 | 125.1 | |
| February | 47.4 | 72.9 | 135.5 | |
| March | 56.8 | 83.4 | 533.6 | |
| April | 56.3 | 88.5 | 443.7 | |
| May | 50.6 | 91 | 1,110.5 | |
| June | 40 | 78.5 | 1,307.6 | |
| July | 29.7 | 60.9 | 339.1 | |
| August | 37.7 | 70.2 | 180.6 | |
| September | 48.1 | 76.4 | 126.7 | |
| October | 58.4 | 75.4 | 194.4 | |
| November | 63.7 | 76.2 | 166.3 | |
| December | 48.6 | 72.7 | 132 |
All values in cubic feet per second (cfs).