USGS Streamgage 06477000
James River near Forestburg, SD
James River near Forestburg, SD is USGS streamgage 06477000, monitoring river discharge in hydrologic subbasin 10160011. It drains a watershed of about 17,613 square miles. Discharge records at this site go back to 1920. Typical flow runs near 348.1 cfs in July and 656.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 17,613 sq mi
- Gauge elevation
- 1,224 ft
- Subbasin (HUC-8)
- 10160011
- Coordinates
- 43.97387, -98.07092
- USGS site number
- 06477000
- Records begin
- 1920-03-01 (106 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 | 2.1 | 42.6 | 250 | |
| February | 3.1 | 38.1 | 330.1 | |
| March | 13 | 226 | 2,305.3 | |
| April | 48.6 | 656.7 | 6,421 | |
| May | 48.1 | 709.8 | 5,575.8 | |
| June | 35.3 | 615.2 | 3,492.3 | |
| July | 11.3 | 348.1 | 2,272.3 | |
| August | 2.3 | 229 | 2,160.3 | |
| September | 0.7 | 100.2 | 1,718 | |
| October | 1.8 | 71.9 | 1,166.5 | |
| November | 3.9 | 97.4 | 772.5 | |
| December | 3.5 | 74.3 | 407.3 |
All values in cubic feet per second (cfs).