USGS · 12167720

STILLAGUMISH RIVER

USGS · 12167720LIVE

STILLAGUMISH RIVER AT RM 10.7 NEAR SILVANA, WA

WASHINGTON48.1995°N, -122.2163°W

AIR TEMP

68°F

WIND

8mph NW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

31.0in

≈ normal

30.97 in of precipitation so far this year — about average for this point in the season (normal 35.16 in).

YTD Total

31.0in

This year so far

Normal to Date

35.2in

30-yr average

Typical Range

28.0–44.3in

10th–90th pct YTD

Departure

-12%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 6.25" · normal 9.00" (5.9–12.4)

Jan

Feb: 4.37" · normal 6.00" (2.9–8.9)

Feb

Mar: 9.57" · normal 7.42" (4.2–11.6)

Mar

Apr: 3.09" · normal 5.56" (3.0–8.3)

Apr

May: 2.95" · normal 3.85" (1.8–5.7)

May

Jun: 4.22" · normal 2.85" (1.4–4.6)

Jun

Jul: 0.52" (so far)· normal 1.29" (0.3–2.3)

Jul

Aug: normal 1.62" (0.2–3.8)

Aug

Sep: normal 3.44" (0.5–6.8)

Sep

Oct: normal 7.22" (3.0–11.8)

Oct

Nov: normal 10.25" (5.4–15.0)

Nov

Dec: normal 8.98" (4.8–14.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:02 AM

Your History · STILLAGUMISH RIVER AT RM 10.7 NEAR SILVANA, WA

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Station Location

48.1995, -122.2163

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