Rivermatics

USGS Streamgage 12457000

Wenatchee River at Plain, WA

Wenatchee River at Plain, WA is USGS streamgage 12457000 in Washington, monitoring river discharge in hydrologic subbasin 17020011. It sits on the Wenatchee River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 591 square miles. Discharge records at this site go back to 1910. Typical flow runs near 2,804.5 cfs in July and 2,417.3 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.

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Gauge details

State
Washington
Drainage area
591 sq mi
Gauge elevation
1,812 ft
Subbasin (HUC-8)
17020011
Coordinates
47.76287, -120.66617
USGS site number
12457000
Records begin
1910-11-27 (116 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Wenatchee River at Plain, 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
218 232 245
214 231 250
229 263 330
247 295 410
244 292 405
232 276 370
221 262 349
213 253 335
205 244 318
199 237 305
193 230 295
188 226 288
183 221 280
180 218 277

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 115 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 462.4 855.4 2,049.4
February 480.6 808.9 2,177.6
March 585.2 1,006 2,308.4
April 1,232.8 2,417.3 4,397.7
May 3,079 5,304.8 9,248.7
June 2,946.3 5,862.3 9,630.3
July 1,150.3 2,804.5 6,136.8
August 522 945.2 2,014.8
September 347.8 550.4 1,000.8
October 317.6 611.6 1,743.9
November 480 992.9 2,899.3
December 469.6 949.8 2,527.4

All values in cubic feet per second (cfs).

Common questions

When does Wenatchee River at Plain, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 5,862.3 cfs, against 550.4 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Wenatchee River at Plain, WA?
It depends on the month. In January, half of days historically fall near 855.4 cfs, with the middle 80% of days between 462.4 and 2,049.4 cfs. The month-by-month table on this page gives the full range.
How long has Wenatchee River at Plain, WA been measured?
Discharge records at USGS site 12457000 begin in 1910, about 116 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 Wenatchee River at Plain, 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 Wenatchee River at Plain, WA?
The gauge sits at 47.76287, -120.66617, in Washington, in hydrologic subbasin 17020011, at an elevation of about 1,812 feet, draining roughly 591 square miles.
Can I use Wenatchee River at Plain, 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.

Upstream and downstream on the Wenatchee River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Wenatchee River in full.

Other gauges in this subbasin