Records for Hillsboro Area, Oregon (HIOthr) on 04-20
Record Highs
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1: 88°F (1956)
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2: 88°F (1934)
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3: 83°F (1939)
Record Lows
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1: 28°F (2008)
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2: 29°F (1952)
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3: 29°F (1944)
Lowest Highs
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1: 55°F (1989)
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2: 51°F (1965)
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3: 50°F (2016)
Highest Lows
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1: 41°F (1963)
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2: 48°F (2008)
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3: 49°F (1955)
Highest April temperature:
90°F on 04-29-1957.
Lowest April temperature:
20°F on 04-16-1933.
Average temperature is 50.7°F
Average high is 61.9°F
Average low is 39.5°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.69" (1980)
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2: 0.55" (1965)
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3: 0.53" (1958)
Precipitation data from 1929 to 2022.