USGS Streamgage 09529000
Gila Drain No. 1 near Yuma, AZ
Gila Drain No. 1 near Yuma, AZ is USGS streamgage 09529000 in Arizona, monitoring river discharge in hydrologic subbasin 15030107. Discharge records at this site go back to 1974. Typical flow runs near 6.3 cfs in July and 4.8 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Arizona
- Gauge elevation
- 126 ft
- Subbasin (HUC-8)
- 15030107
- Coordinates
- 32.75878, -114.52261
- USGS site number
- 09529000
- Records begin
- 1974-10-01 (52 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 27 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 | 1.8 | 3.3 | 4.8 | |
| February | 1.5 | 3 | 4.4 | |
| March | 1.9 | 3.4 | 5.5 | |
| April | 2.9 | 4.8 | 7.3 | |
| May | 4.3 | 6.3 | 8.9 | |
| June | 4 | 6.2 | 9.7 | |
| July | 4 | 6.3 | 9.1 | |
| August | 3.5 | 5.9 | 9.2 | |
| September | 3.5 | 5.8 | 8.9 | |
| October | 4.1 | 6.5 | 9.8 | |
| November | 4 | 6.1 | 8.9 | |
| December | 2.7 | 4.3 | 6.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Gila Drain No. 1 near Yuma, AZ normally run highest?
- October, on the long-term record. The median daily flow that month is about 6.5 cfs, against 3 cfs in February, 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 Drain No. 1 near Yuma, AZ?
- It depends on the month. In January, half of days historically fall near 3.3 cfs, with the middle 80% of days between 1.8 and 4.8 cfs. The month-by-month table on this page gives the full range.
- How long has Gila Drain No. 1 near Yuma, AZ been measured?
- Discharge records at USGS site 09529000 begin in 1974, about 52 years, covering roughly 8,761 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Gila Drain No. 1 near Yuma, AZ?
- The gauge sits at 32.75878, -114.52261, in Arizona, in hydrologic subbasin 15030107, at an elevation of about 126 feet.
- Can I use Gila Drain No. 1 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
- South Gila Terminal Canal Wasteway near Yuma, AZ
- Reservation Main Drain No. 4 near Yuma, AZ
- Yuma Mesa Outlet Drain near Yuma, AZ
- Drain 8-B near Winterhaven, CA
- Main Outlet Dr Extension 2 Ab Morelos Dam, AZ
- Colorado River below Imperial Dam, Az-Ca
- Colorado River below Laguna Dam, Az-Ca
- Colorado Rvr above Ocean to Ocean Bridge near Yuma, AZ