USGS Streamgage 09177000
San Miguel River at Uravan, CO
San Miguel River at Uravan, CO is USGS streamgage 09177000 in Colorado, monitoring river discharge in hydrologic subbasin 14030003. It drains a watershed of about 1,500 square miles. Discharge records at this site go back to 1954. Typical flow runs near 266.9 cfs in July and 530.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Colorado
- Drainage area
- 1,500 sq mi
- Gauge elevation
- 4,998 ft
- Subbasin (HUC-8)
- 14030003
- Coordinates
- 38.35721, -108.71287
- USGS site number
- 09177000
- Records begin
- 1954-08-01 (72 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 72 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 | 50.6 | 78.6 | 126.1 | |
| February | 58.5 | 93.3 | 147 | |
| March | 67.1 | 130.3 | 390.1 | |
| April | 152.6 | 530.7 | 1,659.9 | |
| May | 230.4 | 811.8 | 2,079.4 | |
| June | 237.2 | 746.9 | 1,650.3 | |
| July | 48.1 | 266.9 | 776.5 | |
| August | 25.4 | 123.3 | 351.2 | |
| September | 25.3 | 74.7 | 277.6 | |
| October | 56.5 | 110.6 | 252.9 | |
| November | 62 | 95.2 | 171.4 | |
| December | 50.1 | 81.5 | 137.9 |
All values in cubic feet per second (cfs).