USGS Streamgage 09528200
Cocopah Diversion From West Main Canal near Somerton
Cocopah Diversion From West Main Canal near Somerton is USGS streamgage 09528200 in Arizona, monitoring river discharge in hydrologic subbasin 15030107. Discharge records at this site go back to 2007. Typical flow runs near 0 cfs in July and 0 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Gauge elevation
- 115 ft
- Subbasin (HUC-8)
- 15030107
- Coordinates
- 32.61833, -114.76167
- USGS site number
- 09528200
- Records begin
- 2007-01-23 (19 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 20 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 | 2.7 | |
| February | 0 | 0 | 5.3 | |
| March | 0 | 0 | 10 | |
| April | 0 | 0 | 10.9 | |
| May | 0 | 0 | 13.8 | |
| June | 0 | 0 | 11.9 | |
| July | 0 | 0 | 13.4 | |
| August | 0 | 0 | 13.1 | |
| September | 0 | 0 | 10.6 | |
| October | 0 | 0 | 13.1 | |
| November | 0 | 0 | 5.8 | |
| December | 0 | 0 | 6.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Cocopah Diversion From West Main Canal near Somerton normally run highest?
- January, on the long-term record. The median daily flow that month is about 0 cfs, against 0 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 Cocopah Diversion From West Main Canal near Somerton?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 2.7 cfs. The month-by-month table on this page gives the full range.
- How long has Cocopah Diversion From West Main Canal near Somerton been measured?
- Discharge records at USGS site 09528200 begin in 2007, about 19 years, covering roughly 7,131 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Cocopah Diversion From West Main Canal near Somerton?
- The gauge sits at 32.61833, -114.76167, in Arizona, in hydrologic subbasin 15030107, at an elevation of about 115 feet.
- Can I use Cocopah Diversion From West Main Canal near Somerton 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.
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