USGS Streamgage 11071900
Temescal C A Corona Lake near Corona, CA
Temescal C A Corona Lake near Corona, CA is USGS streamgage 11071900 in California, monitoring river discharge in hydrologic subbasin 18070203. It drains a watershed of about 58 square miles. Discharge records at this site go back to 2012. 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
- California
- Drainage area
- 58 sq mi
- Gauge elevation
- 1,104 ft
- Subbasin (HUC-8)
- 18070203
- Coordinates
- 33.75028, -117.44583
- USGS site number
- 11071900
- Records begin
- 2012-11-06 (14 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 14 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 | 24.7 | |
| February | -0 | 1.6 | 69.1 | |
| March | 0 | 2.2 | 61 | |
| April | 0 | 0 | 41.1 | |
| May | 0 | 0 | 5.5 | |
| June | 0 | 0 | 0.5 | |
| July | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | |
| September | 0 | 0 | 0 | |
| October | 0 | 0 | 0 | |
| November | 0 | 0 | 0 | |
| December | 0 | 0 | 0 |
All values in cubic feet per second (cfs).
Common questions
- When does Temescal C A Corona Lake near Corona, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 2.2 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 Temescal C A Corona Lake near Corona, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 24.7 cfs. The month-by-month table on this page gives the full range.
- How long has Temescal C A Corona Lake near Corona, CA been measured?
- Discharge records at USGS site 11071900 begin in 2012, about 14 years, covering roughly 5,017 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Temescal C A Corona Lake near Corona, CA?
- The gauge sits at 33.75028, -117.44583, in California, in hydrologic subbasin 18070203, at an elevation of about 1,104 feet, draining roughly 58 square miles.
- Can I use Temescal C A Corona Lake near 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.