Records for Hillsboro Area, Oregon (HIOthr) on 12-12
Record Highs
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1: 62°F (1960)
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2: 60°F (1998)
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3: 59°F (2010)
Record Lows
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1: 4°F (1972)
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2: 7°F (1932)
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3: 20°F (2013)
Lowest Highs
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1: 53°F (2010)
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2: 51°F (1952)
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3: 50°F (1998)
Highest Lows
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1: 31°F (1932)
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2: 32°F (1972)
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3: 34°F (2013)
Highest December temperature:
64°F on 12-01-1951.
Lowest December temperature:
-2°F on 12-08-1972.
Average temperature is 39.7°F
Average high is 46.1°F
Average low is 33.2°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.38" (1959)
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2: 0.82" (1995)
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3: 0.77" (1973)
Precipitation data from 1929 to 2022.