USGS Streamgage 06447500
Little White River near Martin, SD
Little White River near Martin, SD is USGS streamgage 06447500, monitoring river discharge in hydrologic subbasin 10140203. It drains a watershed of about 313 square miles. Discharge records at this site go back to 1932. Typical flow runs near 11.3 cfs in July and 32.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 313 sq mi
- Gauge elevation
- 3,072 ft
- Subbasin (HUC-8)
- 10140203
- Coordinates
- 43.16692, -101.63273
- USGS site number
- 06447500
- Records begin
- 1932-05-05 (94 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 | 5.6 | 11.4 | 25 | |
| February | 8.6 | 17.8 | 50.5 | |
| March | 16.8 | 33.1 | 89.5 | |
| April | 18.7 | 32.3 | 69.6 | |
| May | 14.5 | 26 | 67.4 | |
| June | 8.8 | 17.7 | 56.5 | |
| July | 5.2 | 11.3 | 35.2 | |
| August | 4.5 | 9.3 | 21.4 | |
| September | 6 | 9.3 | 15.9 | |
| October | 9.5 | 13 | 21.5 | |
| November | 11 | 15.9 | 24.5 | |
| December | 7.5 | 12.8 | 22.4 |
All values in cubic feet per second (cfs).