USGS · 12167000

NF STILLAGUAMISH RIVER

USGS · 12167000LIVE

NF STILLAGUAMISH RIVER NEAR ARLINGTON, WA

SNOHOMISH COUNTY, WA48.2615°N, -122.0476°W Updated 56 min ago

FLOW RATE

535cfs

GAUGE HT

2.24ft

AIR TEMP

61°F

WIND

2mph WNW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

535cfs 35.8% vs avg

Optimal band: 373–505 cfs

PERIOD HIGH

535cfs

PERIOD LOW

433cfs

RUNNABLE

97%

last 1 day in band

Gauge Height

2.24ft

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

39.5in

-23% vs normal

39.53 in of precipitation so far this year, 23% below the 30-year normal of 51.08 in for this point in the season.

YTD Total

39.5in

This year so far

Normal to Date

51.1in

30-yr average

Typical Range

41.8–64.4in

10th–90th pct YTD

Departure

-23%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 7.42" · normal 13.36" (8.1–18.1)

Jan

Feb: 5.34" · normal 8.82" (4.3–12.9)

Feb

Mar: 12.68" · normal 10.91" (6.4–17.8)

Mar

Apr: 3.78" · normal 8.05" (4.1–12.3)

Apr

May: 3.54" · normal 5.45" (2.5–8.1)

May

Jun: 6.26" · normal 4.17" (2.0–6.4)

Jun

Jul: 0.51" (so far)· normal 1.94" (0.5–3.3)

Jul

Aug: normal 2.34" (0.4–5.3)

Aug

Sep: normal 4.99" (0.9–9.0)

Sep

Oct: normal 10.59" (4.3–17.3)

Oct

Nov: normal 14.80" (8.1–20.5)

Nov

Dec: normal 13.01" (7.4–19.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:13 PM

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Station Location

48.2615, -122.0476

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 17:11 UTC

Site #12167000·USGS

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