USGS Streamgage 06430800
Annie Creek near Lead, SD
Annie Creek near Lead, SD is USGS streamgage 06430800, monitoring river discharge in hydrologic subbasin 10120203. It drains a watershed of about 4 square miles. Discharge records at this site go back to 1988. Typical flow runs near 0.8 cfs in July and 2.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 4 sq mi
- Gauge elevation
- 5,140 ft
- Subbasin (HUC-8)
- 10120203
- Coordinates
- 44.3275, -103.89453
- USGS site number
- 06430800
- Records begin
- 1988-10-01 (38 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 | 0.2 | 0.8 | |
| February | 0 | 0.3 | 0.8 | |
| March | 0.1 | 0.6 | 2.7 | |
| April | 0.5 | 2.5 | 10.4 | |
| May | 0.9 | 3.8 | 15.9 | |
| June | 0.5 | 1.7 | 8 | |
| July | 0.3 | 0.8 | 2.7 | |
| August | 0.1 | 0.5 | 1.5 | |
| September | 0.1 | 0.4 | 1.1 | |
| October | 0.1 | 0.4 | 1.8 | |
| November | 0.1 | 0.4 | 0.9 | |
| December | 0 | 0.3 | 0.8 |
All values in cubic feet per second (cfs).