Records for Hillsboro Area, Oregon (HIOthr) on 10-31
Record Highs
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1: 72°F (1962)
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2: 71°F (1954)
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3: 68°F (1970)
Record Lows
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1: 20°F (2006)
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2: 20°F (2002)
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3: 24°F (2019)
Lowest Highs
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1: 53°F (1987)
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2: 52°F (2012)
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3: 51°F (2005)
Highest Lows
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1: 36°F (1935)
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2: 44°F (1955)
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3: 45°F (2003)
Highest October temperature:
92°F on 10-02-1987.
Lowest October temperature:
20°F on 10-31-2006.
Average temperature is 47.9°F
Average high is 57.5°F
Average low is 38.4°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.96" (1994)
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2: 1.32" (2015)
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3: 1.09" (2005)
Precipitation data from 1929 to 2022.