USGS Streamgage 09046600
Blue River near Dillon, CO
Blue River near Dillon, CO is USGS streamgage 09046600 in Colorado, monitoring river discharge in hydrologic subbasin 14010002. It drains a watershed of about 123 square miles. Discharge records at this site go back to 1957. Typical flow runs near 154.2 cfs in July and 39.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 123 sq mi
- Gauge elevation
- 9,036 ft
- Subbasin (HUC-8)
- 14010002
- Coordinates
- 39.56665, -106.04946
- USGS site number
- 09046600
- Records begin
- 1957-10-01 (69 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 69 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 | 20.1 | 25.4 | 32.2 | |
| February | 18.6 | 22.9 | 29.6 | |
| March | 18.6 | 23.6 | 29.9 | |
| April | 25.2 | 39.2 | 75.3 | |
| May | 74.9 | 160.2 | 300.6 | |
| June | 139.9 | 308.4 | 580.5 | |
| July | 82.8 | 154.2 | 347.5 | |
| August | 57.5 | 86.9 | 169.7 | |
| September | 42.4 | 59.3 | 93.6 | |
| October | 36.4 | 47.6 | 69.7 | |
| November | 29.3 | 36 | 49.2 | |
| December | 23.7 | 29.8 | 38 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Snake River near Montezuma, CO
- Keystone Gulch near Dillon, CO
- Tenmile Creek below North Tenmile C, at Frisco, CO
- Blue River below Dillon, CO
- Straight Creek below Laskey Gulch near Dillon, CO
- Blue River above Green Mountain Reservoir, CO
- Elliott Creek Feeder Canal to Green Mtn Reservoir, CO
- Blue River below Green Mountain Reservoir, CO