USGS Streamgage 09035900
South Fork of Williams Fork near Leal, CO
South Fork of Williams Fork near Leal, CO is USGS streamgage 09035900 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 27 square miles. Discharge records at this site go back to 1965. Typical flow runs near 59 cfs in July and 12 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 27 sq mi
- Gauge elevation
- 8,957 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 39.79582, -106.03057
- USGS site number
- 09035900
- Records begin
- 1965-10-01 (61 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 61 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 | 5.9 | 8.1 | 10.2 | |
| February | 5.7 | 7.6 | 9.6 | |
| March | 5.8 | 7.8 | 10.3 | |
| April | 6.7 | 12 | 21.3 | |
| May | 26.5 | 54.7 | 104.8 | |
| June | 76.2 | 148 | 250.7 | |
| July | 27.6 | 59 | 122.8 | |
| August | 14.5 | 23.4 | 38.4 | |
| September | 10.7 | 15.1 | 22.6 | |
| October | 9.6 | 12.9 | 17.9 | |
| November | 7.8 | 11 | 15.2 | |
| December | 6.5 | 9.2 | 12.4 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Williams Fork near Leal, CO
- Williams Fork near Parshall, CO
- Williams Fork below Williams Fork Reservoir, CO
- Troublesome Creek near Troublesome, CO
- Muddy Creek above Antelope Creek near. Kremmling, CO
- Muddy Creek below Wolford Mtn Reser. near Kremmling, CO
- Colorado River near Kremmling, CO
- Piney River below Piney Lake, near Minturn, CO