USGS Streamgage 08447410
Pecos River near Langtry, TX
Pecos River near Langtry, TX is USGS streamgage 08447410 in Texas, monitoring river discharge in hydrologic subbasin 13070008. It drains a watershed of about 44,015 square miles. Discharge records at this site go back to 1975. Typical flow runs near 159.9 cfs in July and 172.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Texas
- Drainage area
- 44,015 sq mi
- Gauge elevation
- 1,133 ft
- Subbasin (HUC-8)
- 13070008
- Coordinates
- 29.80298, -101.44622
- USGS site number
- 08447410
- Records begin
- 1975-10-01 (51 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 10 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 | — | 213.3 | — | |
| February | — | 193.8 | — | |
| March | — | 186.6 | — | |
| April | — | 172.7 | — | |
| May | — | 186.4 | — | |
| June | — | 181.5 | — | |
| July | — | 159.9 | — | |
| August | — | 152.1 | — | |
| September | — | 163.7 | — | |
| October | — | 237.9 | — | |
| November | — | 233.2 | — | |
| December | — | 220.8 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Pecos River near Langtry, TX normally run highest?
- October, on the long-term record. The median daily flow that month is about 237.9 cfs, against 152.1 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Pecos River near Langtry, TX been measured?
- Discharge records at USGS site 08447410 begin in 1975, about 51 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Pecos River near Langtry, TX?
- The gauge sits at 29.80298, -101.44622, in Texas, in hydrologic subbasin 13070008, at an elevation of about 1,133 feet, draining roughly 44,015 square miles.
- Can I use Pecos River near Langtry, TX 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.