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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
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)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for NF Cache C near Clearlake Oaks, CA. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 9.8 | 11.3 | 12.6 | ||
| 9.5 | 11.3 | 12.6 | ||
| 9.4 | 11.4 | 12.8 | ||
| 9.5 | 11.5 | 13.2 | ||
| 9.4 | 11.5 | 13.3 | ||
| 9.4 | 11.5 | 13.5 | ||
| 9.3 | 11.6 | 13.9 | ||
| 9.2 | 11.6 | 14.2 | ||
| 9.2 | 11.7 | 14.5 | ||
| 9 | 11.6 | 14.3 | ||
| 9.2 | 11.7 | 14.4 | ||
| 9.2 | 11.7 | 14.9 | ||
| 8.9 | 11.6 | 15.5 | ||
| 8.9 | 11.7 | 16.4 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
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 7,730 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for NF Cache C near Clearlake Oaks, CA?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- 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.