USGS Streamgage 06402500
Beaver Creek near Buffalo Gap, SD
Beaver Creek near Buffalo Gap, SD is USGS streamgage 06402500, monitoring river discharge in hydrologic subbasin 10120109. It drains a watershed of about 127 square miles. Discharge records at this site go back to 1927. Typical flow runs near 4.2 cfs in July and 8.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 127 sq mi
- Gauge elevation
- 3,169 ft
- Subbasin (HUC-8)
- 10120109
- Coordinates
- 43.46665, -103.30603
- USGS site number
- 06402500
- Records begin
- 1927-01-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 88 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 | 7.4 | 10 | 12.4 | |
| February | 7.7 | 10 | 12 | |
| March | 6.9 | 9.6 | 12.4 | |
| April | 1.3 | 8.2 | 12.4 | |
| May | 0.7 | 5.2 | 12.5 | |
| June | 0.6 | 6.5 | 15.1 | |
| July | 0.4 | 4.2 | 12.1 | |
| August | 0.3 | 3.3 | 11.1 | |
| September | 0.7 | 5.7 | 10.7 | |
| October | 2.3 | 8.4 | 11.7 | |
| November | 5.9 | 9.7 | 12 | |
| December | 7.1 | 9.9 | 12.2 |
All values in cubic feet per second (cfs).