USGS Streamgage 09020500
Willow Creek above Willow Creek Reservoir, CO
Willow Creek above Willow Creek Reservoir, CO is USGS streamgage 09020500 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It sits on the Willow Creek, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 127 square miles. Discharge records at this site go back to 1953. Typical flow runs near 37.5 cfs in July and 57.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Colorado
- Drainage area
- 127 sq mi
- Gauge elevation
- 8,148 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 40.15579, -105.98056
- USGS site number
- 09020500
- Records begin
- 1953-10-01 (73 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 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 | — | 9.6 | — | |
| February | — | 9.8 | — | |
| March | — | 11 | — | |
| April | — | 57.8 | — | |
| May | — | 267.5 | — | |
| June | — | 200.6 | — | |
| July | — | 37.5 | — | |
| August | — | 21.4 | — | |
| September | — | 12.1 | — | |
| October | — | 12.4 | — | |
| November | — | 12.4 | — | |
| December | — | 10.2 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Willow Creek above Willow Creek Reservoir, CO normally run highest?
- May, on the long-term record. The median daily flow that month is about 267.5 cfs, against 9.6 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Willow Creek above Willow Creek Reservoir, CO been measured?
- Discharge records at USGS site 09020500 begin in 1953, about 73 years, covering roughly 830 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Willow Creek above Willow Creek Reservoir, CO?
- The gauge sits at 40.15579, -105.98056, in Colorado, in hydrologic subbasin 14010001, at an elevation of about 8,148 feet, draining roughly 127 square miles.
- Can I use Willow Creek above Willow Creek Reservoir, CO data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Willow Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Willow Creek in full.
- Willow Creek below Cabin Creek near Granby, CO 92 sq mi
- Willow Creek above Willow Creek Reservoir, CO this page
- Willow Creek below Willow Creek Reservoir, CO 134 sq mi
Other gauges in this subbasin
- Willow Creek below Willow Creek Reservoir, CO
- 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