Records for Hillsboro Area, Oregon (HIOthr) on 04-09
Record Highs
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1: 77°F (2020)
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2: 76°F (2004)
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3: 75°F (1952)
Record Lows
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1: 28°F (1999)
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2: 29°F (2021)
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3: 31°F (2001)
Lowest Highs
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1: 50°F (2002)
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2: 48°F (1996)
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3: 48°F (1966)
Highest Lows
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1: 48°F (1999)
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2: 49°F (1991)
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3: 49°F (1971)
Highest April temperature:
90°F on 04-29-1957.
Lowest April temperature:
20°F on 04-16-1933.
Average temperature is 48.7°F
Average high is 59.1°F
Average low is 38.4°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.32" (1971)
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2: 0.78" (1992)
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3: 0.72" (1993)
Precipitation data from 1929 to 2022.