USGS Streamgage 09147500
Uncompahgre River at Colona, CO
Uncompahgre River at Colona, CO is USGS streamgage 09147500 in Colorado, monitoring river discharge in hydrologic subbasin 14020006. It drains a watershed of about 448 square miles. Discharge records at this site go back to 1903. Typical flow runs near 366 cfs in July and 228.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 448 sq mi
- Gauge elevation
- 6,328 ft
- Subbasin (HUC-8)
- 14020006
- Coordinates
- 38.33143, -107.77922
- USGS site number
- 09147500
- Records begin
- 1903-06-13 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 41 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 | 45.1 | 59.5 | 95.6 | |
| February | 46.6 | 64.6 | 102.7 | |
| March | 52.1 | 86.6 | 188.4 | |
| April | 57.3 | 228.2 | 501.6 | |
| May | 173.7 | 446.3 | 794.7 | |
| June | 216.2 | 525.6 | 1,111.9 | |
| July | 206.9 | 366 | 747.5 | |
| August | 147.6 | 299.1 | 484.2 | |
| September | 48.7 | 142.1 | 377.2 | |
| October | 50.5 | 98 | 235.8 | |
| November | 44.3 | 71.4 | 129.1 | |
| December | 43.7 | 63.4 | 108.6 |
All values in cubic feet per second (cfs).