USGS Streamgage 09261700
Big Brush Creek above Red Fleet Reservoir, near Vernal, UT
Big Brush Creek above Red Fleet Reservoir, near Vernal, UT is USGS streamgage 09261700 in Utah, monitoring river discharge in hydrologic subbasin 14060010. It drains a watershed of about 77 square miles. Discharge records at this site go back to 1979. Typical flow runs near 37.3 cfs in July and 33.1 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
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Gauge details
- State
- Utah
- Drainage area
- 77 sq mi
- Gauge elevation
- 5,634 ft
- Subbasin (HUC-8)
- 14060010
- Coordinates
- 40.58883, -109.46544
- USGS site number
- 09261700
- Records begin
- 1979-10-01 (47 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Big Brush Creek above Red Fleet Reservoir, near Vernal, UT. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 10.4 | 11.4 | 12.5 | ||
| 9.8 | 11.2 | 13.2 | ||
| 9.2 | 10.8 | 13 | ||
| 8.8 | 10.5 | 12.8 | ||
| 8.5 | 10.2 | 12.5 | ||
| 8.1 | 9.9 | 12.2 | ||
| 8.1 | 10.1 | 12.8 | ||
| 8 | 10 | 12.6 | ||
| 7.7 | 9.8 | 12.4 | ||
| 7.3 | 9.5 | 12.1 | ||
| 7.1 | 9.2 | 11.8 | ||
| 7.2 | 9.2 | 11.8 | ||
| 7.1 | 9.1 | 11.6 | ||
| 6.9 | 9 | 11.5 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 47 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 | 9.8 | 12.6 | 18.4 | |
| February | 9.5 | 12.1 | 17.7 | |
| March | 9.9 | 13 | 20.8 | |
| April | 14.9 | 33.1 | 87.7 | |
| May | 42.4 | 133.1 | 245.1 | |
| June | 26 | 66.2 | 210.3 | |
| July | 16.3 | 37.3 | 61.5 | |
| August | 11.7 | 26.9 | 43.2 | |
| September | 10.7 | 17.3 | 30.5 | |
| October | 11.7 | 16.8 | 30.5 | |
| November | 11.6 | 15 | 25.6 | |
| December | 10.4 | 13.5 | 21.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Big Brush Creek above Red Fleet Reservoir, near Vernal, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 133.1 cfs, against 12.1 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Big Brush Creek above Red Fleet Reservoir, near Vernal, UT?
- It depends on the month. In January, half of days historically fall near 12.6 cfs, with the middle 80% of days between 9.8 and 18.4 cfs. The month-by-month table on this page gives the full range.
- How long has Big Brush Creek above Red Fleet Reservoir, near Vernal, UT been measured?
- Discharge records at USGS site 09261700 begin in 1979, about 47 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Big Brush Creek above Red Fleet Reservoir, near Vernal, UT?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Big Brush Creek above Red Fleet Reservoir, near Vernal, UT?
- The gauge sits at 40.58883, -109.46544, in Utah, in hydrologic subbasin 14060010, at an elevation of about 5,634 feet, draining roughly 77 square miles.
- Can I use Big Brush Creek above Red Fleet Reservoir, near Vernal, UT 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.