USGS Streamgage 11072100
Temescal C Ab Main St A Corona, CA
Temescal C Ab Main St A Corona, CA is USGS streamgage 11072100 in California, monitoring river discharge in hydrologic subbasin 18070203. It drains a watershed of about 224 square miles. Discharge records at this site go back to 1980. Typical flow runs near 4.7 cfs in July and 14 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 224 sq mi
- Gauge elevation
- 573 ft
- Subbasin (HUC-8)
- 18070203
- Coordinates
- 33.88918, -117.56283
- USGS site number
- 11072100
- Records begin
- 1980-10-01 (46 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 36 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 | 1.5 | 12 | 114.6 | |
| February | 1.7 | 21.1 | 216 | |
| March | 1.9 | 21.2 | 147 | |
| April | 1.3 | 14 | 85.8 | |
| May | 1.1 | 8.7 | 40.3 | |
| June | 1.4 | 5.8 | 20.8 | |
| July | 1.4 | 4.7 | 17.7 | |
| August | 1.5 | 4.7 | 16.4 | |
| September | 1.1 | 4.5 | 15.6 | |
| October | 1.4 | 6 | 17.6 | |
| November | 1.3 | 5.8 | 35.1 | |
| December | 1.3 | 7.3 | 49.8 |
All values in cubic feet per second (cfs).
Common questions
- When does Temescal C Ab Main St A Corona, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 21.2 cfs, against 4.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Temescal C Ab Main St A Corona, CA?
- It depends on the month. In January, half of days historically fall near 12 cfs, with the middle 80% of days between 1.5 and 114.6 cfs. The month-by-month table on this page gives the full range.
- How long has Temescal C Ab Main St A Corona, CA been measured?
- Discharge records at USGS site 11072100 begin in 1980, about 46 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 Temescal C Ab Main St A Corona, CA?
- The gauge sits at 33.88918, -117.56283, in California, in hydrologic subbasin 18070203, at an elevation of about 573 feet, draining roughly 224 square miles.
- Can I use Temescal C Ab Main St A Corona, CA 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.