USGS · 12170030

STILLAGUAMISH R RIVER

USGS · 12170030LIVE

STILLAGUAMISH R AT MARINE DR BRIDGE NR STANWOOD,WA

SNOHOMISH COUNTY, WA48.2256°N, -122.3379°W

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

22.9in

-32% vs normal

22.9 in of precipitation so far this year, 32% below the 30-year normal of 33.91 in for this point in the season.

YTD Total

22.9in

This year so far

Normal to Date

33.9in

30-yr average

Typical Range

25.1–44.3in

10th–90th pct YTD

Departure

-32%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 5.65" · normal 8.71" (5.9–11.4)

Jan

Feb: 3.09" · normal 5.76" (2.9–8.9)

Feb

Mar: 6.57" · normal 7.17" (3.5–10.7)

Mar

Apr: 2.39" · normal 5.29" (2.3–7.9)

Apr

May: 1.98" · normal 3.77" (1.6–5.7)

May

Jun: 2.87" · normal 2.74" (1.4–4.5)

Jun

Jul: 0.36" (so far)· normal 1.26" (0.3–2.3)

Jul

Aug: normal 1.57" (0.2–3.8)

Aug

Sep: normal 3.24" (0.5–6.0)

Sep

Oct: normal 6.93" (3.0–11.8)

Oct

Nov: normal 9.92" (5.4–15.0)

Nov

Dec: normal 8.76" (4.8–14.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:30 PM

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Station Location

48.2256, -122.3379

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