USGS · 14202650

WAPATO CREEK

USGS · 14202650LIVE

WAPATO CREEK AT SW GASTON ROAD, AT GASTON, OR

WASHINGTON COUNTY, OR45.4406°N, -123.1250°W Updated 3 hr ago

FLOW RATE

5cfs

AIR TEMP

69°F

WIND

10mph NNE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

5cfs 55.4% vs avg

Optimal band: 3–5 cfs

PERIOD HIGH

5cfs

PERIOD LOW

3cfs

RUNNABLE

100%

last 7 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

20.6in

-23% vs normal

20.65 in of precipitation so far this year, 23% below the 30-year normal of 26.75 in for this point in the season.

YTD Total

20.6in

This year so far

Normal to Date

26.8in

30-yr average

Typical Range

19.9–33.9in

10th–90th pct YTD

Departure

-23%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.84" · normal 6.80" (3.1–10.5)

Jan

Feb: 5.58" · normal 5.24" (2.4–8.3)

Feb

Mar: 5.44" · normal 5.84" (3.2–9.5)

Mar

Apr: 3.29" · normal 4.40" (2.6–6.5)

Apr

May: 0.96" · normal 2.73" (0.6–4.6)

May

Jun: 1.52" · normal 1.56" (0.6–2.3)

Jun

Jul: 0.01" (so far)· normal 0.44" (0.0–0.9)

Jul

Aug: normal 0.53" (0.0–1.1)

Aug

Sep: normal 1.70" (0.1–3.3)

Sep

Oct: normal 4.10" (1.3–7.5)

Oct

Nov: normal 6.94" (3.0–10.1)

Nov

Dec: normal 8.00" (4.2–11.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:50 AM

Your History · WAPATO CREEK AT SW GASTON ROAD, AT GASTON, OR

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Station Location

45.4406, -123.1250

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #14202650·USGS

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