USGS Streamgage 06406000
Battle Creek at Hermosa, SD
Battle Creek at Hermosa, SD is USGS streamgage 06406000, monitoring river discharge in hydrologic subbasin 10120109. It drains a watershed of about 169 square miles. Discharge records at this site go back to 1949. Typical flow runs near 9.6 cfs in July and 5.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 169 sq mi
- Gauge elevation
- 3,285 ft
- Subbasin (HUC-8)
- 10120109
- Coordinates
- 43.82805, -103.19602
- USGS site number
- 06406000
- Records begin
- 1949-08-01 (77 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 76 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 | 1.6 | 4.5 | 19.4 | |
| February | 1.5 | 4.2 | 18.9 | |
| March | 1.7 | 4.7 | 19.5 | |
| April | 1.6 | 5.5 | 22.9 | |
| May | 1.7 | 10.3 | 97.6 | |
| June | 1.5 | 14.7 | 113.1 | |
| July | 0.9 | 9.6 | 42.8 | |
| August | 0.8 | 5.9 | 29.1 | |
| September | 0.9 | 4.9 | 24 | |
| October | 1.3 | 5.7 | 25.1 | |
| November | 1.7 | 5.9 | 24.1 | |
| December | 1.8 | 5.3 | 21.5 |
All values in cubic feet per second (cfs).