USGS Streamgage 06449000
Lake Creek below Refuge near Tuthill, SD
Lake Creek below Refuge near Tuthill, SD is USGS streamgage 06449000, monitoring river discharge in hydrologic subbasin 10140203. It drains a watershed of about 121 square miles. Discharge records at this site go back to 1938. Typical flow runs near 9.7 cfs in July and 36.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 121 sq mi
- Gauge elevation
- 2,994 ft
- Subbasin (HUC-8)
- 10140203
- Coordinates
- 43.14592, -101.51287
- USGS site number
- 06449000
- Records begin
- 1938-07-18 (88 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 | 22 | 35.5 | |
| February | 9.2 | 26.1 | 45.6 | |
| March | 5.9 | 35 | 65.3 | |
| April | 4.1 | 36.4 | 73.6 | |
| May | 4.6 | 32.6 | 71.4 | |
| June | 2.1 | 22.7 | 73 | |
| July | 1.1 | 9.7 | 47 | |
| August | 0.4 | 5.6 | 37.2 | |
| September | 0.2 | 4.9 | 26.2 | |
| October | 0.2 | 4.7 | 22.6 | |
| November | 0.7 | 11.8 | 32 | |
| December | 1.7 | 18.4 | 36.3 |
All values in cubic feet per second (cfs).