USGS Streamgage 09081000
Roaring Fork River near Emma, CO
Roaring Fork River near Emma, CO is USGS streamgage 09081000 in Colorado, monitoring river discharge in hydrologic subbasin 14010004. It drains a watershed of about 859 square miles. Discharge records at this site go back to 1909. Typical flow runs near 780.3 cfs in July and 387.9 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 859 sq mi
- Gauge elevation
- 6,477 ft
- Subbasin (HUC-8)
- 14010004
- Coordinates
- 39.37332, -107.08394
- USGS site number
- 09081000
- Records begin
- 1909-06-19 (117 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 28 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 | 186.7 | 250.6 | 306.9 | |
| February | 183.5 | 238.5 | 317.5 | |
| March | 176.7 | 259.8 | 385.8 | |
| April | 228 | 387.9 | 626.1 | |
| May | 440.1 | 828.7 | 1,469.2 | |
| June | 729.3 | 1,583.7 | 3,313.7 | |
| July | 390.6 | 780.3 | 2,019.7 | |
| August | 316.2 | 551.4 | 785.1 | |
| September | 321.5 | 451.3 | 587.5 | |
| October | 269.6 | 364.8 | 481.9 | |
| November | 230.8 | 306.3 | 378.6 | |
| December | 192.1 | 271.4 | 333.4 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Crystal River above Avalanche Creek, near Redstone, CO
- Roaring Fork River at Glenwood Springs, CO
- Roaring Fork River above Lost Man Creek near Aspen, CO
- Lincoln Creek below Grizzly Reservoir near Aspen, CO
- Roaring Fork River Ab Difficult C near Aspen, CO
- Roaring Fork River near Aspen, CO
- Hunter Creek at Aspen, CO
- Castle Creek above Queens Gulch near Aspen, CO