USGS Streamgage 08447000
Pecos River near Sheffield, TX
Pecos River near Sheffield, TX is USGS streamgage 08447000 in Texas, monitoring river discharge in hydrologic subbasin 13070008. It drains a watershed of about 40,685 square miles. Discharge records at this site go back to 1921. Typical flow runs near 28 cfs in July and 37.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Texas
- Drainage area
- 40,685 sq mi
- Gauge elevation
- 2,027 ft
- Subbasin (HUC-8)
- 13070008
- Coordinates
- 30.65961, -101.77012
- USGS site number
- 08447000
- Records begin
- 1921-10-01 (105 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 105 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 | 13.3 | 51 | 317.3 | |
| February | 13.4 | 49.9 | 170.2 | |
| March | 12.2 | 46.7 | 159.7 | |
| April | 9.3 | 37.7 | 154.1 | |
| May | 7 | 31.8 | 205.6 | |
| June | 5.3 | 29.8 | 189.6 | |
| July | 2.7 | 28 | 128.8 | |
| August | 3.4 | 26.4 | 129.3 | |
| September | 4.3 | 33.2 | 153.8 | |
| October | 6.2 | 44.2 | 295.7 | |
| November | 8.8 | 49 | 225.9 | |
| December | 11.5 | 53.9 | 265.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Pecos River near Sheffield, TX normally run highest?
- December, on the long-term record. The median daily flow that month is about 53.9 cfs, against 26.4 cfs in August, 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 Sheffield, TX?
- It depends on the month. In January, half of days historically fall near 51 cfs, with the middle 80% of days between 13.3 and 317.3 cfs. The month-by-month table on this page gives the full range.
- How long has Pecos River near Sheffield, TX been measured?
- Discharge records at USGS site 08447000 begin in 1921, about 105 years, covering roughly 6,959 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Pecos River near Sheffield, TX?
- The gauge sits at 30.65961, -101.77012, in Texas, in hydrologic subbasin 13070008, at an elevation of about 2,027 feet, draining roughly 40,685 square miles.
- Can I use Pecos River near Sheffield, 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.