USGS Streamgage 09428505
Gardner Lateral Spill near Parker, AZ
Gardner Lateral Spill near Parker, AZ is USGS streamgage 09428505 in Arizona, monitoring river discharge in hydrologic subbasin 15030104. Discharge records at this site go back to 1966. Typical flow runs near 3.8 cfs in July and 4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Subbasin (HUC-8)
- 15030104
- Coordinates
- 34.02779, -114.43357
- USGS site number
- 09428505
- Records begin
- 1966-05-01 (60 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 | 0 | 0.7 | 10.9 | |
| February | 0 | 3 | 15.9 | |
| March | 0.2 | 4.3 | 16.1 | |
| April | 0.2 | 4 | 14.7 | |
| May | 0.1 | 3.5 | 14.2 | |
| June | 0.2 | 3.7 | 14.9 | |
| July | 0.4 | 3.8 | 14 | |
| August | 0.3 | 3.8 | 14.3 | |
| September | 0.2 | 3.7 | 17.1 | |
| October | 0.1 | 3.6 | 16.5 | |
| November | 0 | 3.1 | 19 | |
| December | 0 | 3.5 | 18.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Gardner Lateral Spill near Parker, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 4.3 cfs, against 0.7 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 Gardner Lateral Spill near Parker, AZ?
- It depends on the month. In January, half of days historically fall near 0.7 cfs, with the middle 80% of days between 0 and 10.9 cfs. The month-by-month table on this page gives the full range.
- How long has Gardner Lateral Spill near Parker, AZ been measured?
- Discharge records at USGS site 09428505 begin in 1966, about 60 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 Gardner Lateral Spill near Parker, AZ?
- The gauge sits at 34.02779, -114.43357, in Arizona, in hydrologic subbasin 15030104.
- Can I use Gardner Lateral Spill 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.