Rivermatics

USGS Streamgage 14013700

Mill Creek at Five Mile Rd Br near Walla Walla, WA

Mill Creek at Five Mile Rd Br near Walla Walla, WA is USGS streamgage 14013700 in Washington, monitoring river discharge in hydrologic subbasin 17070102. It sits on the Mill Creek, alongside 3 other gauges Rivermatics tracks on the same river. It drains a watershed of about 93 square miles. Discharge records at this site go back to 1997. Typical flow runs near 27 cfs in July and 182.7 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
93 sq mi
Subbasin (HUC-8)
17070102
Coordinates
46.08569, -118.22829
USGS site number
14013700
Records begin
1997-11-01 (29 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Mill Creek at Five Mile Rd Br near Walla Walla, 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
24.9 27.3 30.5
23.9 27.3 31.2
28.9 37.1 56.3
28.8 36.5 51.4
26.6 32.4 41.3
25.4 30.9 38.6
24.7 30.2 37.5
24.4 30.1 37.5
23.5 29.1 36.2
23 28.6 35.7
22.8 28.5 35.5
22.8 28.6 35.7
22.7 28.7 35.9
22.2 28.2 35.6

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 29 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 65.3 132.7 375.1
February 69.1 138.1 349.5
March 91.6 194.3 441.4
April 104 182.7 432
May 56.1 114.4 312.9
June 29.9 54 224.1
July 20.1 27 39.4
August 17.8 23.7 31.7
September 20.8 27.1 39.1
October 25.8 36.6 64.7
November 37.9 59.7 140.4
December 52.9 92.5 313.6

All values in cubic feet per second (cfs).

Common questions

When does Mill Creek at Five Mile Rd Br near Walla Walla, WA normally run highest?
March, on the long-term record. The median daily flow that month is about 194.3 cfs, against 23.7 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 Mill Creek at Five Mile Rd Br near Walla Walla, WA?
It depends on the month. In January, half of days historically fall near 132.7 cfs, with the middle 80% of days between 65.3 and 375.1 cfs. The month-by-month table on this page gives the full range.
How long has Mill Creek at Five Mile Rd Br near Walla Walla, WA been measured?
Discharge records at USGS site 14013700 begin in 1997, about 29 years, covering roughly 8,705 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Mill Creek at Five Mile Rd Br near Walla Walla, 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 Mill Creek at Five Mile Rd Br near Walla Walla, WA?
The gauge sits at 46.08569, -118.22829, in Washington, in hydrologic subbasin 17070102, draining roughly 93 square miles.
Can I use Mill Creek at Five Mile Rd Br near Walla Walla, 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 Mill Creek

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

Other gauges in this subbasin