USGS Streamgage 11425500
Sacramento River A Verona, CA
Sacramento River A Verona, CA is USGS streamgage 11425500 in California, monitoring river discharge in hydrologic subbasin 18020161. It drains a watershed of about 21,251 square miles. Discharge records at this site go back to 1929. Typical flow runs near 12,451.6 cfs in July and 18,226.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 21,251 sq mi
- Gauge elevation
- -1 ft
- Subbasin (HUC-8)
- 18020161
- Coordinates
- 38.77432, -121.59826
- USGS site number
- 11425500
- Records begin
- 1929-10-01 (97 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 81 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 | 9,278.7 | 20,054.8 | 61,064.5 | |
| February | 10,005.9 | 26,406.9 | 63,669 | |
| March | 10,203.9 | 26,158.1 | 59,783.9 | |
| April | 8,606 | 18,226.7 | 54,423.3 | |
| May | 7,263.5 | 13,861.3 | 40,125.8 | |
| June | 6,805.7 | 11,240 | 25,946.7 | |
| July | 6,779 | 12,451.6 | 18,283.9 | |
| August | 7,197.1 | 12,883.9 | 18,100 | |
| September | 8,155.3 | 12,790 | 18,766.7 | |
| October | 6,715.8 | 9,741 | 14,648.4 | |
| November | 6,905.3 | 10,558 | 21,200 | |
| December | 8,141.3 | 15,000 | 48,758.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Sacramento River A Verona, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 26,406.9 cfs, against 9,741 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Sacramento River A Verona, CA?
- It depends on the month. In January, half of days historically fall near 20,054.8 cfs, with the middle 80% of days between 9,278.7 and 61,064.5 cfs. The month-by-month table on this page gives the full range.
- How long has Sacramento River A Verona, CA been measured?
- Discharge records at USGS site 11425500 begin in 1929, about 97 years, covering roughly 9,125 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Sacramento River A Verona, CA?
- The gauge sits at 38.77432, -121.59826, in California, in hydrologic subbasin 18020161, at an elevation of about -1 feet, draining roughly 21,251 square miles.
- Can I use Sacramento River A Verona, 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.