USGS Streamgage 09522900
Unit B Canal near Yuma, AZ
Unit B Canal near Yuma, AZ is USGS streamgage 09522900 in Arizona, monitoring river discharge in hydrologic subbasin 15030108. Discharge records at this site go back to 2005. Typical flow runs near 68.4 cfs in July and 37.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Arizona
- Gauge elevation
- 190 ft
- Subbasin (HUC-8)
- 15030108
- Coordinates
- 32.61804, -114.63043
- USGS site number
- 09522900
- Records begin
- 2005-09-30 (21 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 21 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 | 0 | 1.9 | 60.8 | |
| February | 0 | 3.9 | 67.9 | |
| March | 0 | 13.5 | 74.9 | |
| April | 0 | 37.5 | 83.9 | |
| May | 0 | 53.5 | 90.2 | |
| June | 0 | 65 | 95.6 | |
| July | 0 | 68.4 | 98 | |
| August | 0 | 63.8 | 97.9 | |
| September | 0 | 45.6 | 94 | |
| October | 0 | 32.2 | 84.4 | |
| November | 0 | 14.7 | 78.3 | |
| December | 0 | 6.8 | 48.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Unit B Canal near Yuma, AZ normally run highest?
- July, on the long-term record. The median daily flow that month is about 68.4 cfs, against 1.9 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 Unit B Canal near Yuma, AZ?
- It depends on the month. In January, half of days historically fall near 1.9 cfs, with the middle 80% of days between 0 and 60.8 cfs. The month-by-month table on this page gives the full range.
- How long has Unit B Canal near Yuma, AZ been measured?
- Discharge records at USGS site 09522900 begin in 2005, about 21 years, covering roughly 7,611 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Unit B Canal near Yuma, AZ?
- The gauge sits at 32.61804, -114.63043, in Arizona, in hydrologic subbasin 15030108, at an elevation of about 190 feet.
- Can I use Unit B Canal near Yuma, 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 subbasin
- Yuma Main Canal below Colorado River. Siphon at Yuma, AZ
- Yuma Main Drain above Arizona-Sonora Boundary
- 242 Lateral above Main Drain at Az-Sonora Boundry
- Colorado River at Nib, above Morelos Dam, AZ
- Colorado River below Cooper Wasteway near Yuma, AZ
- Gila Gravity Canal at Yuma-Mesa Pumping Plant, AZ
- McAs Diversion of B Canal near Yuma, AZ