Records for Hillsboro Area, Oregon (HIOthr) on 12-27
Record Highs
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1: 60°F (1980)
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2: 58°F (1994)
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3: 56°F (2022)
Record Lows
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1: 17°F (1948)
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2: 19°F (1985)
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3: 22°F (1960)
Lowest Highs
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1: 49°F (1980)
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2: 48°F (1967)
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3: 46°F (2005)
Highest Lows
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1: 31°F (2021)
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2: 31°F (1956)
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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 39.3°F
Average high is 45.6°F
Average low is 33°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 3.31" (1937)
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2: 2.19" (1998)
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3: 2.00" (1942)
Precipitation data from 1929 to 2022.