Rivermatics

USGS Streamgage 12143900

Boxley Creek near Edgewick, WA

Boxley Creek near Edgewick, WA is USGS streamgage 12143900 in Washington, monitoring river discharge in hydrologic subbasin 17110010. It drains a watershed of about 4 square miles. Discharge records at this site go back to 1981. Typical flow runs near 58.9 cfs in July and 38.3 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.

View live conditions & forecast →

Gauge details

State
Washington
Drainage area
4 sq mi
Gauge elevation
665 ft
Subbasin (HUC-8)
17110010
Coordinates
47.44871, -121.73177
USGS site number
12143900
Records begin
1981-08-12 (45 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Boxley Creek near Edgewick, 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
15.2 15.8 16.4
15 15.8 16.5
15.1 17 21.2
14.9 16.5 19.9
14.4 15.8 18
14.1 15.4 17
13.8 15 16.4
13.5 14.7 16.1
13.2 14.4 15.8
12.9 14.2 15.6
12.8 14.1 15.5
12.4 13.8 15.4
12.2 13.6 15.4
12 13.5 15.4

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 45 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 21.3 34.7 64.8
February 21.9 36.2 84.2
March 23.7 35.7 69.4
April 23.4 38.3 68.8
May 26.7 53.3 77.5
June 39.1 68.4 98.4
July 34.5 58.9 91.3
August 25.9 41.1 58.1
September 17.2 28.1 38.6
October 13.8 21.9 30.6
November 14.4 22.2 33.7
December 16.9 28.6 45.7

All values in cubic feet per second (cfs).

Common questions

When does Boxley Creek near Edgewick, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 68.4 cfs, against 21.9 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 Boxley Creek near Edgewick, WA?
It depends on the month. In January, half of days historically fall near 34.7 cfs, with the middle 80% of days between 21.3 and 64.8 cfs. The month-by-month table on this page gives the full range.
How long has Boxley Creek near Edgewick, WA been measured?
Discharge records at USGS site 12143900 begin in 1981, about 45 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 Boxley Creek near Edgewick, 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 Boxley Creek near Edgewick, WA?
The gauge sits at 47.44871, -121.73177, in Washington, in hydrologic subbasin 17110010, at an elevation of about 665 feet, draining roughly 4 square miles.
Can I use Boxley Creek near Edgewick, 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