USGS Streamgage 09085100
Colorado River below Glenwood Springs, CO
Colorado River below Glenwood Springs, CO is USGS streamgage 09085100 in Colorado, monitoring river discharge in hydrologic subbasin 14010005. It drains a watershed of about 6,014 square miles. Discharge records at this site go back to 1966. Typical flow runs near 4,306.8 cfs in July and 2,388.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 6,014 sq mi
- Gauge elevation
- 5,711 ft
- Subbasin (HUC-8)
- 14010005
- Coordinates
- 39.55498, -107.33755
- USGS site number
- 09085100
- Records begin
- 1966-10-01 (60 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 60 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 | 1,076 | 1,365.8 | 1,838.4 | |
| February | 1,058.6 | 1,372.1 | 1,795.9 | |
| March | 1,147.7 | 1,546.5 | 2,271.6 | |
| April | 1,661.7 | 2,388.7 | 4,020.3 | |
| May | 3,016.1 | 6,051.6 | 11,047.7 | |
| June | 3,959.7 | 9,518 | 16,860 | |
| July | 2,220.3 | 4,306.8 | 9,229.7 | |
| August | 1,943.2 | 2,517.7 | 3,882.9 | |
| September | 1,764.7 | 2,199 | 2,902 | |
| October | 1,604.8 | 2,054.5 | 2,784.8 | |
| November | 1,329.3 | 1,720.3 | 2,282.7 | |
| December | 1,098.5 | 1,440 | 1,944.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Colorado River below South Canyon Creek near Glenwood Springs, CO
- Canyon Creek near New Castle, CO
- Elk Creek at New Castle, CO
- Divide Creek near Silt, CO
- Parachute Creek at Parachute, CO
- Colorado River near Cameo, CO
- Plateau Creek near Cameo, CO
- Colo River below Grand Valley Diversion near Palisade, CO