USGS Streamgage 06402000
Fall River at Hot Springs, SD
Fall River at Hot Springs, SD is USGS streamgage 06402000, monitoring river discharge in hydrologic subbasin 10120109. It drains a watershed of about 136 square miles. Discharge records at this site go back to 1937. Typical flow runs near 24.1 cfs in July and 25.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 136 sq mi
- Gauge elevation
- 3,417 ft
- Subbasin (HUC-8)
- 10120109
- Coordinates
- 43.43053, -103.47631
- USGS site number
- 06402000
- Records begin
- 1937-11-23 (89 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 57 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 | 20.6 | 25 | 30.1 | |
| February | 20.9 | 25.4 | 30.4 | |
| March | 21.1 | 26 | 31.4 | |
| April | 20.2 | 25.1 | 31.1 | |
| May | 20.4 | 25.5 | 31.4 | |
| June | 19.4 | 25.5 | 33 | |
| July | 18.7 | 24.1 | 32.6 | |
| August | 19.5 | 24.3 | 31.3 | |
| September | 19.7 | 24.5 | 30.6 | |
| October | 20.3 | 25.4 | 30.7 | |
| November | 20.3 | 25.7 | 30.8 | |
| December | 21.1 | 25.6 | 30.6 |
All values in cubic feet per second (cfs).