USGS Streamgage 06478500
James River near Scotland, SD
James River near Scotland, SD is USGS streamgage 06478500, monitoring river discharge in hydrologic subbasin 10160011. It drains a watershed of about 20,672 square miles. Discharge records at this site go back to 1928. Typical flow runs near 356.7 cfs in July and 742 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 20,672 sq mi
- Gauge elevation
- 1,174 ft
- Subbasin (HUC-8)
- 10160011
- Coordinates
- 43.18583, -97.63562
- USGS site number
- 06478500
- Records begin
- 1928-09-01 (98 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 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 | 6.3 | 49 | 265 | |
| February | 12.8 | 76.3 | 440.8 | |
| March | 34.8 | 370.8 | 2,533.8 | |
| April | 62.2 | 742 | 6,316.7 | |
| May | 63.2 | 791.8 | 5,708.1 | |
| June | 38 | 679.9 | 4,200 | |
| July | 18.2 | 356.7 | 2,929.4 | |
| August | 7.9 | 189.5 | 1,983.5 | |
| September | 6.8 | 104.1 | 1,613.7 | |
| October | 4.6 | 74.1 | 1,137.2 | |
| November | 6.6 | 80.3 | 800.1 | |
| December | 7.6 | 68.3 | 452.5 |
All values in cubic feet per second (cfs).