USGS Streamgage 11451300
NF Cache C near Clearlake Oaks, CA
NF Cache C near Clearlake Oaks, CA is USGS streamgage 11451300 in California, monitoring river discharge in hydrologic subbasin 18020116. It drains a watershed of about 121 square miles. Discharge records at this site go back to 1983. Typical flow runs near 245.4 cfs in July and 68.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Drainage area
- 121 sq mi
- Gauge elevation
- 1,274 ft
- Subbasin (HUC-8)
- 18020116
- Coordinates
- 39.07542, -122.53412
- USGS site number
- 11451300
- Records begin
- 1983-10-01 (43 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 41 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 | 7.2 | 10.9 | 96.6 | |
| February | 7 | 10.8 | 808.4 | |
| March | 6.8 | 11.9 | 462.2 | |
| April | 9.2 | 68.1 | 509.9 | |
| May | 10.2 | 165 | 592 | |
| June | 10.2 | 253.7 | 583.2 | |
| July | 9.9 | 245.4 | 437.5 | |
| August | 9.2 | 136 | 381.8 | |
| September | 8.8 | 47.4 | 293.5 | |
| October | 7.2 | 10.3 | 140.9 | |
| November | 7 | 10.2 | 20.5 | |
| December | 7.3 | 11 | 15.6 |
All values in cubic feet per second (cfs).
Common questions
- When does NF Cache C near Clearlake Oaks, CA normally run highest?
- June, on the long-term record. The median daily flow that month is about 253.7 cfs, against 10.2 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for NF Cache C near Clearlake Oaks, CA?
- It depends on the month. In January, half of days historically fall near 10.9 cfs, with the middle 80% of days between 7.2 and 96.6 cfs. The month-by-month table on this page gives the full range.
- How long has NF Cache C near Clearlake Oaks, CA been measured?
- Discharge records at USGS site 11451300 begin in 1983, about 43 years, covering roughly 7,726 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is NF Cache C near Clearlake Oaks, CA?
- The gauge sits at 39.07542, -122.53412, in California, in hydrologic subbasin 18020116, at an elevation of about 1,274 feet, draining roughly 121 square miles.
- Can I use NF Cache C near Clearlake Oaks, 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.