USGS Streamgage 14144700
Columbia River at Vancouver, WA
Columbia River at Vancouver, WA is USGS streamgage 14144700 in Washington, monitoring river discharge in hydrologic subbasin 17080003. It drains a watershed of about 241,000 square miles. Discharge records at this site go back to 1894. Typical flow runs near 214,612.9 cfs in July and 175,300 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
- Washington
- Drainage area
- 241,000 sq mi
- Subbasin (HUC-8)
- 17080003
- Coordinates
- 45.62067, -122.67343
- USGS site number
- 14144700
- Records begin
- 1894-06-07 (132 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Columbia River at Vancouver, WA. 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 |
|---|---|---|---|---|
| 81,909 | 86,746 | 91,166 | ||
| 80,603 | 86,856 | 93,280 | ||
| 80,370 | 87,884 | 97,112 | ||
| 79,630 | 88,315 | 99,543 | ||
| 78,719 | 88,321 | 100,706 | ||
| 77,709 | 88,130 | 101,351 | ||
| 76,752 | 88,030 | 102,697 | ||
| 76,058 | 88,029 | 103,957 | ||
| 75,523 | 87,916 | 104,408 | ||
| 74,991 | 87,630 | 104,366 | ||
| 74,555 | 87,409 | 104,333 | ||
| 74,266 | 87,339 | 104,612 | ||
| 73,911 | 87,090 | 104,457 | ||
| 73,630 | 87,018 | 104,699 |
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 62 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 | 118,387.1 | 156,967.7 | 226,451.6 | |
| February | 122,464.3 | 159,551.7 | 263,035.7 | |
| March | 116,761.3 | 158,709.7 | 274,161.3 | |
| April | 132,400 | 175,300 | 366,666.7 | |
| May | 186,483.9 | 292,064.5 | 431,064.5 | |
| June | 190,000 | 331,833.3 | 591,266.7 | |
| July | 141,387.1 | 214,612.9 | 376,935.5 | |
| August | 117,671 | 144,774.2 | 192,903.2 | |
| September | 82,093.3 | 104,983.3 | 133,433.3 | |
| October | 82,367.7 | 102,335.5 | 135,903.2 | |
| November | 100,373.3 | 129,100 | 163,833.3 | |
| December | 108,429 | 140,709.7 | 203,548.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Columbia River at Vancouver, WA normally run highest?
- June, on the long-term record. The median daily flow that month is about 331,833.3 cfs, against 102,335.5 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 Columbia River at Vancouver, WA?
- It depends on the month. In January, half of days historically fall near 156,967.7 cfs, with the middle 80% of days between 118,387.1 and 226,451.6 cfs. The month-by-month table on this page gives the full range.
- How long has Columbia River at Vancouver, WA been measured?
- Discharge records at USGS site 14144700 begin in 1894, about 132 years, covering roughly 3,761 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Columbia River at Vancouver, WA?
- 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 Columbia River at Vancouver, WA?
- The gauge sits at 45.62067, -122.67343, in Washington, in hydrologic subbasin 17080003, draining roughly 241,000 square miles.
- Can I use Columbia River at Vancouver, WA 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.