USGS Streamgage 09431500
Gila River near Redrock, NM
Gila River near Redrock, NM is USGS streamgage 09431500 in New Mexico, monitoring river discharge in hydrologic subbasin 15040002. It drains a watershed of about 2,829 square miles. Discharge records at this site go back to 1905. Typical flow runs near 49.7 cfs in July and 164.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- New Mexico
- Drainage area
- 2,829 sq mi
- Gauge elevation
- 4,090 ft
- Subbasin (HUC-8)
- 15040002
- Coordinates
- 32.72694, -108.67556
- USGS site number
- 09431500
- Records begin
- 1905-11-26 (121 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 61 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 | 72.2 | 122.3 | 587.2 | |
| February | 68.9 | 178 | 997.8 | |
| March | 68.5 | 239.1 | 1,103.5 | |
| April | 54.8 | 164.1 | 724.2 | |
| May | 31.5 | 89.7 | 348.5 | |
| June | 12.5 | 33 | 110.5 | |
| July | 12.3 | 49.7 | 151.2 | |
| August | 24.8 | 107.8 | 484.4 | |
| September | 28.3 | 86.1 | 563.4 | |
| October | 33.2 | 76.4 | 283.7 | |
| November | 57.9 | 89.3 | 238.3 | |
| December | 69.7 | 103.9 | 438.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Gila River near Redrock, NM normally run highest?
- March, on the long-term record. The median daily flow that month is about 239.1 cfs, against 33 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Gila River near Redrock, NM?
- It depends on the month. In January, half of days historically fall near 122.3 cfs, with the middle 80% of days between 72.2 and 587.2 cfs. The month-by-month table on this page gives the full range.
- How long has Gila River near Redrock, NM been measured?
- Discharge records at USGS site 09431500 begin in 1905, about 121 years, covering roughly 8,396 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Gila River near Redrock, NM?
- The gauge sits at 32.72694, -108.67556, in New Mexico, in hydrologic subbasin 15040002, at an elevation of about 4,090 feet, draining roughly 2,829 square miles.
- Can I use Gila River near Redrock, 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.