Records for Hillsboro Area, Oregon (HIOthr) on 10-18
Record Highs
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1: 81°F (1974)
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2: 80°F (1978)
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3: 80°F (1944)
Record Lows
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1: 28°F (1966)
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2: 28°F (1949)
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3: 28°F (1945)
Lowest Highs
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1: 56°F (1940)
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2: 55°F (2015)
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3: 55°F (1976)
Highest Lows
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1: 51°F (1996)
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2: 52°F (1984)
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3: 52°F (1971)
Highest October temperature:
92°F on 10-02-1987.
Lowest October temperature:
20°F on 10-31-2006.
Average temperature is 51.4°F
Average high is 62.6°F
Average low is 40.3°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.69" (1958)
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2: 0.61" (1990)
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3: 0.55" (1950)
Precipitation data from 1929 to 2022.