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WAPATO CANAL

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WAPATO CANAL AT PUMP HOUSE, AT GASTON, OR

WASHINGTON COUNTY, OR45.4402°N, -123.1252°W

AIR TEMP

65°F

WIND

8mph NE

FISH INDEX

81SCORE / 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

Dry

Drier than normal

2026 to date

20.6in

-33% vs normal

20.65 in of precipitation so far this year, 33% below the 30-year normal of 30.76 in for this point in the season.

YTD Total

20.6in

This year so far

Normal to Date

30.8in

30-yr average

Typical Range

21.5–38.8in

10th–90th pct YTD

Departure

-33%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.84" · normal 7.92" (3.8–12.1)

Jan

Feb: 5.58" · normal 6.04" (2.8–9.3)

Feb

Mar: 5.44" · normal 6.63" (3.5–10.6)

Mar

Apr: 3.29" · normal 5.01" (3.0–7.5)

Apr

May: 0.96" · normal 3.05" (0.7–5.4)

May

Jun: 1.52" · normal 1.91" (0.6–3.0)

Jun

Jul: 0.01" (so far)· normal 0.52" (0.1–1.2)

Jul

Aug: normal 0.71" (0.1–1.6)

Aug

Sep: normal 1.98" (0.1–3.7)

Sep

Oct: normal 4.67" (1.6–8.2)

Oct

Nov: normal 8.14" (3.4–12.6)

Nov

Dec: normal 9.25" (4.9–13.3)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:48 AM

Your History · WAPATO CANAL AT PUMP HOUSE, AT GASTON, OR

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Station Location

45.4402, -123.1252

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