USGS Streamgage 09468500
San Carlos River near Peridot, AZ
San Carlos River near Peridot, AZ is USGS streamgage 09468500 in Arizona, monitoring river discharge in hydrologic subbasin 15040007. It drains a watershed of about 1,026 square miles. Discharge records at this site go back to 1914. Typical flow runs near 2.2 cfs in July and 8.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 1,026 sq mi
- Gauge elevation
- 2,544 ft
- Subbasin (HUC-8)
- 15040007
- Coordinates
- 33.29647, -110.45151
- USGS site number
- 09468500
- Records begin
- 1914-04-01 (112 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 97 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 | 6.6 | 16.8 | 158.8 | |
| February | 7.6 | 20.4 | 250.6 | |
| March | 5.6 | 21 | 184.5 | |
| April | 1.6 | 8.9 | 41.2 | |
| May | 0 | 3.3 | 16 | |
| June | 0 | 0.7 | 8.1 | |
| July | 0 | 2.2 | 37.6 | |
| August | 0 | 7 | 103.2 | |
| September | 0 | 4.8 | 29.9 | |
| October | 0 | 4.9 | 20.6 | |
| November | 0 | 7.7 | 23.7 | |
| December | 3.9 | 12.6 | 86.7 |
All values in cubic feet per second (cfs).
Common questions
- When does San Carlos River near Peridot, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 21 cfs, against 0.7 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 San Carlos River near Peridot, AZ?
- It depends on the month. In January, half of days historically fall near 16.8 cfs, with the middle 80% of days between 6.6 and 158.8 cfs. The month-by-month table on this page gives the full range.
- How long has San Carlos River near Peridot, AZ been measured?
- Discharge records at USGS site 09468500 begin in 1914, about 112 years, covering roughly 8,928 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is San Carlos River near Peridot, AZ?
- The gauge sits at 33.29647, -110.45151, in Arizona, in hydrologic subbasin 15040007, at an elevation of about 2,544 feet, draining roughly 1,026 square miles.
- Can I use San Carlos River near Peridot, AZ 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.
Other gauges in this region
- Tonto Creek above Gun Creek, near Roosevelt, AZ
- Williamson Valley Wash near Paulden, AZ
- Centennial Wash at Southern Pacific Railroad Brdg
- Vamori Wash at Kom Vo, AZ
- West Turkey Creek near Sunizona, AZ
- Black Draw at San Bernardino Nwr near Douglas, AZ
- Show Low Creek near Lakeside, AZ
- Puerco River near Chambers, AZ