USGS Streamgage 09429030
Palo Verde Drain near Parker, AZ
Palo Verde Drain near Parker, AZ is USGS streamgage 09429030 in Arizona, monitoring river discharge in hydrologic subbasin 15030104. Discharge records at this site go back to 1979. Typical flow runs near 22 cfs in July and 20.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Arizona
- Subbasin (HUC-8)
- 15030104
- Coordinates
- 33.75697, -114.49746
- USGS site number
- 09429030
- Records begin
- 1979-10-01 (47 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 47 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 | 5.2 | 12.1 | 36.3 | |
| February | 7.2 | 14.3 | 36 | |
| March | 9.4 | 17 | 37.9 | |
| April | 11.7 | 20.5 | 47.2 | |
| May | 12.7 | 20.3 | 49.7 | |
| June | 13 | 20.1 | 49.5 | |
| July | 15.1 | 22 | 50.5 | |
| August | 15 | 23.6 | 51.3 | |
| September | 12.8 | 23.1 | 47.5 | |
| October | 10.4 | 19.8 | 46.6 | |
| November | 8.3 | 16.7 | 41.4 | |
| December | 6.1 | 15.6 | 40.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Palo Verde Drain near Parker, AZ normally run highest?
- August, on the long-term record. The median daily flow that month is about 23.6 cfs, against 12.1 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 Palo Verde Drain near Parker, AZ?
- It depends on the month. In January, half of days historically fall near 12.1 cfs, with the middle 80% of days between 5.2 and 36.3 cfs. The month-by-month table on this page gives the full range.
- How long has Palo Verde Drain near Parker, AZ been measured?
- Discharge records at USGS site 09429030 begin in 1979, about 47 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Palo Verde Drain near Parker, AZ?
- The gauge sits at 33.75697, -114.49746, in Arizona, in hydrologic subbasin 15030104.
- Can I use Palo Verde Drain near Parker, 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
- Crir Lwr Main Drain below Tyson Ww, near Ehrenberg, AZ
- Colorado River below Palo Verde Dam, Az-Ca
- Pvid F-Canal Spill near Blythe, CA
- Pvid D-10-11-2 Spill near Blythe, CA
- Pvid D23 Spill near Blythe, CA
- Pvid C Canal Spill near Blythe, CA
- Palo Verde Outfall Drain near Palo Verde, CA
- Pvid C28 Lower Spill near Blythe, CA