Records for Hillsboro Area, Oregon (HIOthr) on 12-01
Record Highs
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1: 64°F (1951)
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2: 63°F (1958)
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3: 59°F (1982)
Record Lows
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1: 20°F (1931)
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2: 21°F (1985)
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3: 21°F (1969)
Lowest Highs
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1: 52°F (1975)
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2: 48°F (1964)
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3: 48°F (1939)
Highest Lows
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1: 24°F (1985)
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2: 34°F (1931)
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3: 36°F (1936)
Highest December temperature:
64°F on 12-01-1951.
Lowest December temperature:
-2°F on 12-08-1972.
Average temperature is 41.3°F
Average high is 48.2°F
Average low is 34.4°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.30" (1993)
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2: 1.05" (2001)
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3: 0.86" (1964)
Precipitation data from 1929 to 2022.