USGS Streamgage 06438000
Belle Fourche River near Elm Springs, SD
Belle Fourche River near Elm Springs, SD is USGS streamgage 06438000, monitoring river discharge in hydrologic subbasin 10120202. It drains a watershed of about 7,004 square miles. Discharge records at this site go back to 1927. Typical flow runs near 270.1 cfs in July and 167.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 7,004 sq mi
- Gauge elevation
- 2,172 ft
- Subbasin (HUC-8)
- 10120202
- Coordinates
- 44.36999, -102.56653
- USGS site number
- 06438000
- Records begin
- 1927-05-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 72 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 | 4.5 | 28.3 | 277.3 | |
| February | 7.2 | 47.5 | 517.9 | |
| March | 25.5 | 130.4 | 1,479 | |
| April | 35.3 | 167.6 | 1,519.6 | |
| May | 47.7 | 274.2 | 2,582.3 | |
| June | 90.6 | 300.3 | 2,291.7 | |
| July | 118 | 270.1 | 734.7 | |
| August | 127.8 | 255 | 459.7 | |
| September | 83.9 | 218.6 | 374.4 | |
| October | 31 | 80.8 | 294.7 | |
| November | 26.8 | 52.7 | 223.2 | |
| December | 12 | 35.8 | 254.3 |
All values in cubic feet per second (cfs).