USGS · 12117700

ROCK CREEK

USGS · 12117700LIVE

ROCK CREEK BELOW WALSH LAKE NEAR LANDSBURG, WA

KING COUNTY, WA47.3987°N, -121.9212°W

AIR TEMP

74°F

WIND

6mph NNE

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

34.0in

≈ normal

33.95 in of precipitation so far this year — about average for this point in the season (normal 34.42 in).

YTD Total

34.0in

This year so far

Normal to Date

34.4in

30-yr average

Typical Range

26.9–43.9in

10th–90th pct YTD

Departure

-1%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 5.46" · normal 8.53" (5.8–12.2)

Jan

Feb: 5.11" · normal 6.10" (2.7–10.7)

Feb

Mar: 12.63" · normal 6.68" (3.8–10.2)

Mar

Apr: 3.77" · normal 5.52" (2.6–8.3)

Apr

May: 3.13" · normal 3.95" (2.4–5.9)

May

Jun: 3.59" · normal 3.25" (1.4–5.1)

Jun

Jul: 0.26" (so far)· normal 1.35" (0.3–2.7)

Jul

Aug: normal 1.69" (0.5–3.1)

Aug

Sep: normal 3.45" (0.7–6.4)

Sep

Oct: normal 6.77" (3.6–9.5)

Oct

Nov: normal 9.30" (4.3–14.5)

Nov

Dec: normal 8.28" (5.3–11.7)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:09 AM

Your History · ROCK CREEK BELOW WALSH LAKE NEAR LANDSBURG, WA

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Station Location

47.3987, -121.9212

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