USGS · 12142000

NF SNOQUALMIE RIVER

USGS · 12142000LIVE

NF SNOQUALMIE RIVER NEAR SNOQUALMIE FALLS, WA

WASHINGTON47.6148°N, -121.7134°W Updated 16 hr ago

FLOW RATE

143cfs

AIR TEMP

57°F

WIND

1mph SSE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

143cfs 0.7% vs avg

Optimal band: 276–374 cfs

PERIOD HIGH

8,488cfs

PERIOD LOW

32cfs

RUNNABLE

last 1 year in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

45.7in

≈ normal

45.69 in of precipitation so far this year — about average for this point in the season (normal 42.57 in).

YTD Total

45.7in

This year so far

Normal to Date

42.6in

30-yr average

Typical Range

32.9–55.3in

10th–90th pct YTD

Departure

+7%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 7.25" · normal 10.62" (7.1–15.6)

Jan

Feb: 5.40" · normal 7.70" (3.4–12.9)

Feb

Mar: 17.27" · normal 8.12" (4.8–11.7)

Mar

Apr: 6.05" · normal 6.63" (3.0–9.8)

Apr

May: 4.19" · normal 4.93" (3.0–7.1)

May

Jun: 4.83" · normal 4.24" (2.1–6.2)

Jun

Jul: 0.70" (so far)· normal 1.83" (0.5–3.4)

Jul

Aug: normal 2.03" (0.7–3.2)

Aug

Sep: normal 4.24" (0.9–7.4)

Sep

Oct: normal 8.21" (4.1–12.5)

Oct

Nov: normal 11.36" (5.3–16.1)

Nov

Dec: normal 10.40" (7.2–15.2)

Dec

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

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Station Location

47.6148, -121.7134

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 16:06 UTC

Site #12142000·USGS

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