USGS Streamgage 11414100
Fordyce C below Fordyce Dam near Cisco, CA
Fordyce C below Fordyce Dam near Cisco, CA is USGS streamgage 11414100 in California, monitoring river discharge in hydrologic subbasin 18020125. It drains a watershed of about 32 square miles. Discharge records at this site go back to 1966. Typical flow runs near 211.3 cfs in July and 35.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Drainage area
- 32 sq mi
- Subbasin (HUC-8)
- 18020125
- Coordinates
- 39.3799, -120.49937
- USGS site number
- 11414100
- Records begin
- 1966-06-09 (60 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 60 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 | 6.4 | 17.1 | 102 | |
| February | 7.2 | 21 | 161.8 | |
| March | 10.4 | 29.2 | 201.2 | |
| April | 13.9 | 35.5 | 257.8 | |
| May | 25.2 | 66.5 | 555.1 | |
| June | 41.3 | 254.3 | 772.2 | |
| July | 36.5 | 211.3 | 491.2 | |
| August | 15.8 | 143.3 | 398.8 | |
| September | 7.6 | 88.7 | 325.5 | |
| October | 5.7 | 36.4 | 288.1 | |
| November | 6.1 | 17.6 | 198.8 | |
| December | 6 | 15.7 | 124.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Fordyce C below Fordyce Dam near Cisco, CA normally run highest?
- June, on the long-term record. The median daily flow that month is about 254.3 cfs, against 15.7 cfs in December, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Fordyce C below Fordyce Dam near Cisco, CA?
- It depends on the month. In January, half of days historically fall near 17.1 cfs, with the middle 80% of days between 6.4 and 102 cfs. The month-by-month table on this page gives the full range.
- How long has Fordyce C below Fordyce Dam near Cisco, CA been measured?
- Discharge records at USGS site 11414100 begin in 1966, about 60 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Fordyce C below Fordyce Dam near Cisco, CA?
- The gauge sits at 39.3799, -120.49937, in California, in hydrologic subbasin 18020125, draining roughly 32 square miles.
- Can I use Fordyce C below Fordyce Dam near Cisco, 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.
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