USGS · 12201540

THOMAS CREEK

USGS · 12201540LIVE

THOMAS CREEK NEAR SEDRO WOOLLEY, WA

WASHINGTON48.5412°N, -122.2679°W

AIR TEMP

57°F

WIND

4mph S

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

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

30.6in

-20% vs normal

30.58 in of precipitation so far this year, 20% below the 30-year normal of 38.08 in for this point in the season.

YTD Total

30.6in

This year so far

Normal to Date

38.1in

30-yr average

Typical Range

30.7–47.4in

10th–90th pct YTD

Departure

-20%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 6.79" · normal 9.87" (6.1–13.9)

Jan

Feb: 4.44" · normal 6.63" (3.4–9.6)

Feb

Mar: 9.83" · normal 7.99" (4.3–12.4)

Mar

Apr: 2.26" · normal 5.78" (3.1–8.4)

Apr

May: 2.69" · normal 4.12" (1.5–6.4)

May

Jun: 4.08" · normal 3.12" (1.7–4.6)

Jun

Jul: 0.49" (so far)· normal 1.52" (0.5–2.9)

Jul

Aug: normal 1.88" (0.3–4.1)

Aug

Sep: normal 3.81" (0.9–7.0)

Sep

Oct: normal 7.80" (3.4–12.1)

Oct

Nov: normal 11.10" (6.6–17.0)

Nov

Dec: normal 9.84" (5.2–14.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:00 AM

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Station Location

48.5412, -122.2679

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