USGS Streamgage 09019500
Colorado River near Granby, CO
Colorado River near Granby, CO is USGS streamgage 09019500 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 323 square miles. Discharge records at this site go back to 1908. Typical flow runs near 74.4 cfs in July and 30.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 323 sq mi
- Gauge elevation
- 7,973 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.12083, -105.9
- USGS site number
- 09019500
- Records begin
- 1908-01-01 (118 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 76 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 | — | 28.5 | — | |
| February | — | 29.8 | — | |
| March | — | 31.3 | — | |
| April | 22.3 | 30.3 | 379.3 | |
| May | 55.2 | 75.2 | 124 | |
| June | 54.4 | 75.4 | 591.5 | |
| July | 53 | 74.4 | 337.4 | |
| August | 28.9 | 40.7 | 94.7 | |
| September | 15.8 | 21.4 | 76.5 | |
| October | 17.6 | 29 | 140.4 | |
| November | — | 26.5 | — | |
| December | — | 29 | — |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Willow Creek below Cabin Creek near Granby, CO
- Willow Creek above Willow Creek Reservoir, CO
- Willow Creek below Willow Creek Reservoir, CO
- Fraser River at Upper Sta, near Winter Park, CO
- Fraser River at Moffat Tunnel at Winter Park, CO
- Fraser River below Moffat Tunnel at Winter Park, CO
- Fraser River at Winter Park, CO
- Vasquez Creek at Winter Park, CO