USGS Streamgage 09021000
Willow Creek below Willow Creek Reservoir, CO
Willow Creek below Willow Creek Reservoir, CO is USGS streamgage 09021000 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 134 square miles. Discharge records at this site go back to 1953. Typical flow runs near 37.4 cfs in July and 7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 134 sq mi
- Gauge elevation
- 8,040 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.14582, -105.94002
- USGS site number
- 09021000
- Records begin
- 1953-08-03 (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 | 6.1 | 7 | 7.9 | |
| February | 6.5 | 7 | 8.1 | |
| March | 6.5 | 7 | 10.4 | |
| April | 6.2 | 7 | 42.4 | |
| May | 2.4 | 22 | 472 | |
| June | 16.5 | 45.9 | 283.1 | |
| July | 13.9 | 37.4 | 79.8 | |
| August | 0.1 | 6.7 | 23.1 | |
| September | 0.1 | 3.5 | 10.5 | |
| October | 6 | 7.2 | 12.4 | |
| November | 6.2 | 7 | 9 | |
| December | 6.2 | 6.8 | 9.6 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Fraser River at Upper Sta, near Winter Park, CO
- Fraser River at Moffat Tunnel at Winter Park, CO
- Fraser River below Moffat Tunnel at Winter Park, CO
- Fraser River at Winter Park, CO
- Vasquez Creek at Winter Park, CO
- Elk Creek at Upper Station, near Fraser, CO
- St. Louis Creek near Fraser, CO
- Fraser River at Tabernash, CO