Records for Hillsboro Area, Oregon (HIOthr) on 04-21
Record Highs
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1: 85°F (1934)
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2: 81°F (2009)
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3: 78°F (1986)
Record Lows
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1: 27°F (1951)
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2: 28°F (1968)
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3: 28°F (1950)
Lowest Highs
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1: 55°F (1930)
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2: 53°F (1998)
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3: 51°F (1956)
Highest Lows
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1: 46°F (2008)
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2: 47°F (1960)
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3: 50°F (1985)
Highest April temperature:
90°F on 04-29-1957.
Lowest April temperature:
20°F on 04-16-1933.
Average temperature is 50.9°F
Average high is 62.2°F
Average low is 39.6°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.82" (1961)
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2: 0.44" (1996)
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3: 0.38" (1993)
Precipitation data from 1929 to 2022.