USGS Streamgage 08378500
Pecos River near Pecos, NM
Pecos River near Pecos, NM is USGS streamgage 08378500 in New Mexico, monitoring river discharge in hydrologic subbasin 13060001. It drains a watershed of about 189 square miles. Discharge records at this site go back to 1919. Typical flow runs near 76.2 cfs in July and 110.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- New Mexico
- Drainage area
- 189 sq mi
- Gauge elevation
- 7,503 ft
- Subbasin (HUC-8)
- 13060001
- Coordinates
- 35.70835, -105.6827
- USGS site number
- 08378500
- Records begin
- 1919-10-01 (107 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 107 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 | 17.3 | 25.1 | 38.8 | |
| February | 18.2 | 26.1 | 38 | |
| March | 21.8 | 37.6 | 77.8 | |
| April | 47.8 | 110.6 | 265.4 | |
| May | 69.9 | 278.7 | 647.3 | |
| June | 40.2 | 176.6 | 494.4 | |
| July | 33.2 | 76.2 | 178.1 | |
| August | 34.2 | 76.1 | 215.1 | |
| September | 27.9 | 54.4 | 127.4 | |
| October | 25.2 | 41.6 | 88.9 | |
| November | 21.4 | 33.1 | 60.3 | |
| December | 18.5 | 27.7 | 46.8 |
All values in cubic feet per second (cfs).
Common questions
- When does Pecos River near Pecos, NM normally run highest?
- May, on the long-term record. The median daily flow that month is about 278.7 cfs, against 25.1 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Pecos River near Pecos, NM?
- It depends on the month. In January, half of days historically fall near 25.1 cfs, with the middle 80% of days between 17.3 and 38.8 cfs. The month-by-month table on this page gives the full range.
- How long has Pecos River near Pecos, NM been measured?
- Discharge records at USGS site 08378500 begin in 1919, about 107 years, covering roughly 9,125 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Pecos River near Pecos, NM?
- The gauge sits at 35.70835, -105.6827, in New Mexico, in hydrologic subbasin 13060001, at an elevation of about 7,503 feet, draining roughly 189 square miles.
- Can I use Pecos River near Pecos, 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.