Records for Hillsboro Area, Oregon (HIOthr) on 10-17
Record Highs
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1: 83°F (1952)
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2: 81°F (1974)
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3: 79°F (1960)
Record Lows
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1: 28°F (1971)
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2: 29°F (1966)
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3: 31°F (2010)
Lowest Highs
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1: 54°F (2015)
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2: 53°F (1956)
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3: 53°F (1937)
Highest Lows
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1: 50°F (1971)
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2: 53°F (2007)
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3: 53°F (1965)
Highest October temperature:
92°F on 10-02-1987.
Lowest October temperature:
20°F on 10-31-2006.
Average temperature is 51.8°F
Average high is 63°F
Average low is 40.5°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.83" (1947)
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2: 0.53" (1996)
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3: 0.50" (1943)
Precipitation data from 1929 to 2022.