USGS Streamgage 09010500
Colorado River below Baker Gulch near Grand Lake, CO
Colorado River below Baker Gulch near Grand Lake, CO is USGS streamgage 09010500 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 64 square miles. Discharge records at this site go back to 1953. Typical flow runs near 75.2 cfs in July and 25 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 64 sq mi
- Gauge elevation
- 8,765 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.32583, -105.85611
- USGS site number
- 09010500
- Records begin
- 1953-06-01 (73 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 73 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 | 5 | 8.4 | 12 | |
| February | 4.8 | 7.7 | 10 | |
| March | 5.2 | 8.1 | 12.6 | |
| April | 10.5 | 25 | 59.9 | |
| May | 70.9 | 156.2 | 304.7 | |
| June | 120.3 | 272.7 | 601.4 | |
| July | 34.3 | 75.2 | 215 | |
| August | 16.3 | 28.3 | 54.9 | |
| September | 13 | 20.8 | 43.4 | |
| October | 11.8 | 19.3 | 41 | |
| November | 8.8 | 14.2 | 26 | |
| December | 6.4 | 10.2 | 17 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- East Inlet near Grand Lake, CO
- Grand Lake Outlet below Chipmunk Ln at Grand Lake, CO
- Colorado River below Shadow Mountain Reservoir, CO
- Colorado River below Lake Granby, CO
- Colorado River near Granby, CO
- Willow Creek below Cabin Creek near Granby, CO
- Willow Creek above Willow Creek Reservoir, CO
- Willow Creek below Willow Creek Reservoir, CO