USGS Streamgage 09034250
Colorado River at Windy Gap, near Granby, CO
Colorado River at Windy Gap, near Granby, CO is USGS streamgage 09034250 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 788 square miles. Discharge records at this site go back to 1981. Typical flow runs near 294.2 cfs in July and 216.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 788 sq mi
- Gauge elevation
- 7,795 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.10832, -106.00418
- USGS site number
- 09034250
- Records begin
- 1981-10-01 (45 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 45 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 | 63.2 | 77.4 | 94.1 | |
| February | 65.2 | 78.1 | 94 | |
| March | 73 | 91.5 | 183.3 | |
| April | 103.9 | 216.7 | 542.9 | |
| May | 113.4 | 384.7 | 1,530.6 | |
| June | 140.7 | 548.5 | 2,520.7 | |
| July | 170.3 | 294.2 | 1,028.5 | |
| August | 103.9 | 147.3 | 308.4 | |
| September | 66.8 | 108.9 | 195.3 | |
| October | 68.8 | 98.1 | 164.4 | |
| November | 73.9 | 94.7 | 134.1 | |
| December | 64.6 | 79.1 | 100.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Bobtail Creek near Jones Pass, CO
- Williams Fork below Steelman Creek, CO
- Williams Fork above Darling Creek, near Leal, CO
- South Fork of Williams Fork near Leal, CO
- Williams Fork near Leal, CO
- Williams Fork near Parshall, CO
- Williams Fork below Williams Fork Reservoir, CO
- Troublesome Creek near Troublesome, CO