Rivermatics

USGS Streamgage 12201960

Brannian Creek at S Bay Dr near Wickersham, WA

Brannian Creek at S Bay Dr near Wickersham, WA is USGS streamgage 12201960 in Washington, monitoring river discharge in hydrologic subbasin 17110004. It drains a watershed of about 3 square miles. Discharge records at this site go back to 2001. Typical flow runs near 0.3 cfs in July and 10 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
Washington
Drainage area
3 sq mi
Gauge elevation
346 ft
Subbasin (HUC-8)
17110004
Coordinates
48.669, -122.28016
USGS site number
12201960
Records begin
2001-10-01 (25 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Brannian Creek at S Bay Dr near Wickersham, 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
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1
0 0 0.1

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 25 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 6.6 15.9 52.5
February 5.1 12.4 41.7
March 5 12.7 32
April 3.8 10 24
May 1.1 3.5 12.6
June 0.2 1.4 8.8
July 0 0.3 2.7
August 0 0 0.7
September 0 0 2
October 0.1 1.9 13.1
November 2.2 11.4 47.9
December 5.7 13.9 42.4

All values in cubic feet per second (cfs).

Common questions

When does Brannian Creek at S Bay Dr near Wickersham, WA normally run highest?
January, on the long-term record. The median daily flow that month is about 15.9 cfs, against 0 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 Brannian Creek at S Bay Dr near Wickersham, WA?
It depends on the month. In January, half of days historically fall near 15.9 cfs, with the middle 80% of days between 6.6 and 52.5 cfs. The month-by-month table on this page gives the full range.
How long has Brannian Creek at S Bay Dr near Wickersham, WA been measured?
Discharge records at USGS site 12201960 begin in 2001, about 25 years, covering roughly 9,072 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Brannian Creek at S Bay Dr near Wickersham, 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 Brannian Creek at S Bay Dr near Wickersham, WA?
The gauge sits at 48.669, -122.28016, in Washington, in hydrologic subbasin 17110004, at an elevation of about 346 feet, draining roughly 3 square miles.
Can I use Brannian Creek at S Bay Dr near Wickersham, 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