USGS Streamgage 06464500
Keya Paha River at Wewela, SD
Keya Paha River at Wewela, SD is USGS streamgage 06464500, monitoring river discharge in hydrologic subbasin 10150006. It drains a watershed of about 1,129 square miles. Discharge records at this site go back to 1937. Typical flow runs near 44.1 cfs in July and 122.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 1,129 sq mi
- Gauge elevation
- 2,063 ft
- Subbasin (HUC-8)
- 10150006
- Coordinates
- 43.02709, -99.78092
- USGS site number
- 06464500
- Records begin
- 1937-12-01 (89 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 | 9.2 | 33 | 86.4 | |
| February | 17.9 | 52 | 179.6 | |
| March | 42.7 | 106.7 | 355.3 | |
| April | 54.1 | 122.9 | 343.6 | |
| May | 39.7 | 101.9 | 334.4 | |
| June | 29.9 | 80.7 | 279.3 | |
| July | 16.2 | 44.1 | 146.9 | |
| August | 10.3 | 30.8 | 85.6 | |
| September | 11.9 | 28.5 | 62.6 | |
| October | 21.5 | 36.8 | 86.1 | |
| November | 22 | 44.3 | 90.1 | |
| December | 15 | 36.3 | 91 |
All values in cubic feet per second (cfs).