USGS Streamgage 06479000
Vermillion River near Wakonda, SD
Vermillion River near Wakonda, SD is USGS streamgage 06479000, monitoring river discharge in hydrologic subbasin 10170102. It drains a watershed of about 2,121 square miles. Discharge records at this site go back to 1945. Typical flow runs near 32 cfs in July and 87 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 2,121 sq mi
- Gauge elevation
- 1,154 ft
- Subbasin (HUC-8)
- 10170102
- Coordinates
- 42.9903, -96.96366
- USGS site number
- 06479000
- Records begin
- 1945-10-01 (81 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 38 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 | 0.6 | 5.7 | 23.9 | |
| February | 0.9 | 8.3 | 182.9 | |
| March | 4.9 | 87.2 | 1,135.2 | |
| April | 17.4 | 87 | 1,596 | |
| May | 8 | 61.1 | 357.2 | |
| June | 8.1 | 54.9 | 591.4 | |
| July | 1.8 | 32 | 429.9 | |
| August | 0.7 | 14.5 | 112.6 | |
| September | 0.1 | 10.5 | 63.8 | |
| October | 0.2 | 10.6 | 70.9 | |
| November | 1.1 | 12.6 | 55.3 | |
| December | 1.1 | 9.7 | 44 |
All values in cubic feet per second (cfs).