Records for Hillsboro Area, Oregon (HIOthr) on 10-21
Record Highs
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1: 80°F (2003)
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2: 77°F (1937)
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3: 76°F (1952)
Record Lows
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1: 28°F (1949)
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2: 29°F (1933)
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3: 30°F (1976)
Lowest Highs
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1: 60°F (2003)
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2: 53°F (2014)
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3: 53°F (1963)
Highest Lows
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1: 49°F (1961)
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2: 50°F (1984)
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3: 51°F (2001)
Highest October temperature:
92°F on 10-02-1987.
Lowest October temperature:
20°F on 10-31-2006.
Average temperature is 50.5°F
Average high is 61.3°F
Average low is 39.8°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 2.04" (2017)
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2: 1.55" (1934)
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3: 1.38" (1961)
Precipitation data from 1929 to 2022.