Rivermatics

USGS Streamgage 14123500

White Salmon River near Underwood, WA

White Salmon River near Underwood, WA is USGS streamgage 14123500 in Washington, monitoring river discharge in hydrologic subbasin 17070105. It drains a watershed of about 386 square miles. Discharge records at this site go back to 1912. Typical flow runs near 846.1 cfs in July and 1,444.3 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.

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Gauge details

State
Washington
Drainage area
386 sq mi
Subbasin (HUC-8)
17070105
Coordinates
45.75206, -121.52702
USGS site number
14123500
Records begin
1912-11-01 (114 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for White Salmon River near Underwood, 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
435 442 448
433 441 451
437 452 486
436 455 506
429 444 479
424 438 465
420 433 455
417 430 450
414 427 446
411 426 445
409 425 445
407 423 445
405 423 446
403 422 448

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 111 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 596.4 1,106.2 2,339
February 732.3 1,304.1 2,472.8
March 865.9 1,377.4 2,357.1
April 1,003.3 1,444.3 2,079.7
May 926.3 1,498.4 2,103.9
June 715.7 1,173.2 1,872.7
July 573.5 846.1 1,255.5
August 490.5 669.7 930.5
September 460.1 604.6 804.2
October 457 593.4 832.3
November 493.8 698.9 1,258.6
December 541.6 909.6 1,947.7

All values in cubic feet per second (cfs).

Common questions

When does White Salmon River near Underwood, WA normally run highest?
May, on the long-term record. The median daily flow that month is about 1,498.4 cfs, against 593.4 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 White Salmon River near Underwood, WA?
It depends on the month. In January, half of days historically fall near 1,106.2 cfs, with the middle 80% of days between 596.4 and 2,339 cfs. The month-by-month table on this page gives the full range.
How long has White Salmon River near Underwood, WA been measured?
Discharge records at USGS site 14123500 begin in 1912, about 114 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for White Salmon River near Underwood, 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 White Salmon River near Underwood, WA?
The gauge sits at 45.75206, -121.52702, in Washington, in hydrologic subbasin 17070105, draining roughly 386 square miles.
Can I use White Salmon River near Underwood, 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.

Other gauges in this subbasin