USGS Streamgage 09132050
Anthracite Creek near Somerset, CO
Anthracite Creek near Somerset, CO is USGS streamgage 09132050 in Colorado, monitoring river discharge in hydrologic subbasin 14020004. It drains a watershed of about 95 square miles. Discharge records at this site go back to 1977. Typical flow runs near 247.3 cfs in July and 204.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 95 sq mi
- Gauge elevation
- 6,761 ft
- Subbasin (HUC-8)
- 14020004
- Coordinates
- 38.95425, -107.27175
- USGS site number
- 09132050
- Records begin
- 1977-07-01 (49 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 5 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 | — | 17.1 | — | |
| February | — | 18 | — | |
| March | — | 27.9 | — | |
| April | — | 204.6 | — | |
| May | — | 679.8 | — | |
| June | — | 938.6 | — | |
| July | — | 247.3 | — | |
| August | — | 51.9 | — | |
| September | — | 25.9 | — | |
| October | — | 20 | — | |
| November | — | 19.8 | — | |
| December | — | 18.6 | — |
All values in cubic feet per second (cfs).