USGS Streamgage 08282300
Rio Brazos at Fishtail Road near Tierra Amarilla, NM
Rio Brazos at Fishtail Road near Tierra Amarilla, NM is USGS streamgage 08282300 in New Mexico, monitoring river discharge in hydrologic subbasin 13020102. It drains a watershed of about 129 square miles. Discharge records at this site go back to 2014. Typical flow runs near 39.7 cfs in July and 262.4 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- New Mexico
- Drainage area
- 129 sq mi
- Gauge elevation
- 7,735 ft
- Subbasin (HUC-8)
- 13020102
- Coordinates
- 36.73793, -106.47077
- USGS site number
- 08282300
- Records begin
- 2014-06-11 (12 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Rio Brazos at Fishtail Road near Tierra Amarilla, NM. 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 |
|---|---|---|---|---|
| 16.1 | 19.3 | 25.8 | ||
| 16.5 | 23.6 | 42.8 | ||
| 21.7 | 41.3 | 112 | ||
| 21.1 | 37.3 | 76.5 | ||
| 18.3 | 27.8 | 44.6 | ||
| 16.3 | 23.1 | 35.3 | ||
| 14.4 | 21.1 | 36.8 | ||
| 13.2 | 18.9 | 31.2 | ||
| 12.8 | 17.7 | 27.1 | ||
| 12 | 16.1 | 23.7 | ||
| 11.3 | 15 | 21.7 | ||
| 11.9 | 16.5 | 25.6 | ||
| 11.3 | 16.2 | 26.6 | ||
| 10.6 | 15.2 | 25 |
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 11 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 11 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| February | — | 27 | — | |
| March | — | 41 | — | |
| April | 208.8 | 262.4 | 1,081 | |
| May | 113.8 | 472.5 | 1,476.6 | |
| June | 27.7 | 120.1 | 870.8 | |
| July | 18.3 | 39.7 | 120.9 | |
| August | 15.1 | 26.3 | 81.6 | |
| September | 13.6 | 22 | 50.7 | |
| October | 13.5 | 21.8 | 84.9 | |
| November | — | 25.5 | — | |
| December | — | 30 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Rio Brazos at Fishtail Road near Tierra Amarilla, NM normally run highest?
- May, on the long-term record. The median daily flow that month is about 472.5 cfs, against 21.8 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Rio Brazos at Fishtail Road near Tierra Amarilla, NM?
- It depends on the month. In April, half of days historically fall near 262.4 cfs, with the middle 80% of days between 208.8 and 1,081 cfs. The month-by-month table on this page gives the full range.
- How long has Rio Brazos at Fishtail Road near Tierra Amarilla, NM been measured?
- Discharge records at USGS site 08282300 begin in 2014, about 12 years, covering roughly 2,612 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Rio Brazos at Fishtail Road near Tierra Amarilla, NM?
- 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 Rio Brazos at Fishtail Road near Tierra Amarilla, NM?
- The gauge sits at 36.73793, -106.47077, in New Mexico, in hydrologic subbasin 13020102, at an elevation of about 7,735 feet, draining roughly 129 square miles.
- Can I use Rio Brazos at Fishtail Road near Tierra Amarilla, NM 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.