USGS Streamgage 11464000
Russian River near Healdsburg, CA
Russian River near Healdsburg, CA is USGS streamgage 11464000 in California, monitoring river discharge in hydrologic subbasin 18010110. It sits on the Russian River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 793 square miles. Discharge records at this site go back to 1937. Typical flow runs near 175.5 cfs in July and 813.3 cfs in April, with the higher of the two arriving in April. 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
- 793 sq mi
- Gauge elevation
- 80 ft
- Subbasin (HUC-8)
- 18010110
- Coordinates
- 38.6132, -122.83634
- USGS site number
- 11464000
- Records begin
- 1937-12-01 (89 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Russian River near Healdsburg, 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 |
|---|---|---|---|---|
| 92.3 | 95.7 | 99.7 | ||
| 90.2 | 96.2 | 105 | ||
| 89.1 | 96.4 | 108 | ||
| 87.8 | 96 | 109 | ||
| 86.9 | 96.1 | 110 | ||
| 86.8 | 96.5 | 111 | ||
| 85.5 | 95 | 108 | ||
| 84.2 | 94.1 | 107 | ||
| 82.8 | 93.1 | 107 | ||
| 82.7 | 94.3 | 110 | ||
| 84.6 | 97 | 114 | ||
| 87.3 | 100 | 120 | ||
| 86.4 | 99.2 | 118 | ||
| 85.4 | 97.6 | 115 |
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 87 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 | 262.2 | 1,441.7 | 10,875.2 | |
| February | 376.8 | 1,716.6 | 10,311 | |
| March | 411.8 | 1,479.7 | 6,776.8 | |
| April | 269.1 | 813.3 | 3,095.7 | |
| May | 156.3 | 406.5 | 958 | |
| June | 95.1 | 219.4 | 441.7 | |
| July | 86.5 | 175.5 | 251.3 | |
| August | 89.1 | 164.7 | 243.1 | |
| September | 92.1 | 168.3 | 250 | |
| October | 100.3 | 184.2 | 347.5 | |
| November | 122.9 | 249.9 | 1,487.2 | |
| December | 150.9 | 670.1 | 6,898.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Russian River near Healdsburg, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 1,716.6 cfs, against 164.7 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Russian River near Healdsburg, CA?
- It depends on the month. In January, half of days historically fall near 1,441.7 cfs, with the middle 80% of days between 262.2 and 10,875.2 cfs. The month-by-month table on this page gives the full range.
- How long has Russian River near Healdsburg, CA been measured?
- Discharge records at USGS site 11464000 begin in 1937, about 89 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Russian River near Healdsburg, 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 Russian River near Healdsburg, CA?
- The gauge sits at 38.6132, -122.83634, in California, in hydrologic subbasin 18010110, at an elevation of about 80 feet, draining roughly 793 square miles.
- Can I use Russian River near Healdsburg, 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.
Upstream and downstream on the Russian River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Russian River in full.
- Russian River near Talmage, CA 286 sq mi
- Russian River near Hopland, CA 362 sq mi
- Russian River near Cloverdale, CA 503 sq mi
- Russian River near Healdsburg, CA this page
- Russian River near Windsor, CA 1,022 sq mi