USGS Streamgage 09179450
Dolores River near Gateway, CO
Dolores River near Gateway, CO is USGS streamgage 09179450 in Colorado, monitoring river discharge in hydrologic subbasin 14030004. It drains a watershed of about 4,146 square miles. Discharge records at this site go back to 2014. Typical flow runs near 270.5 cfs in July and 382.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Colorado
- Drainage area
- 4,146 sq mi
- Gauge elevation
- 4,573 ft
- Subbasin (HUC-8)
- 14030004
- Coordinates
- 38.66804, -108.96552
- USGS site number
- 09179450
- Records begin
- 2014-11-18 (12 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 12 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 | 58.1 | 110.1 | 179.6 | |
| February | 76.4 | 142.6 | 240.5 | |
| March | 84.1 | 185.3 | 817.8 | |
| April | 121 | 382.8 | 3,281.7 | |
| May | 179.5 | 536.7 | 5,188.7 | |
| June | 125.1 | 787.3 | 3,263 | |
| July | 32.4 | 270.5 | 1,286.6 | |
| August | 15.9 | 165.3 | 509.1 | |
| September | 23.6 | 90.1 | 211.7 | |
| October | 54.1 | 127.9 | 505.7 | |
| November | 87.4 | 131.5 | 198.5 | |
| December | 58.8 | 110.9 | 163.9 |
All values in cubic feet per second (cfs).