Records for Hillsboro Area, Oregon (HIOthr) on 09-16
Record Highs
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1: 98°F (1981)
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2: 92°F (1951)
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3: 91°F (1994)
Record Lows
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1: 37°F (2021)
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2: 38°F (1987)
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3: 39°F (1982)
Lowest Highs
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1: 65°F (1932)
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2: 61°F (2010)
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3: 61°F (1940)
Highest Lows
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1: 60°F (1992)
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2: 62°F (2007)
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3: 62°F (2005)
Highest September temperature:
103°F on 09-03-1988.
Lowest September temperature:
29°F on 09-17-1965.
Average temperature is 62.1°F
Average high is 76.7°F
Average low is 47.6°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.53" (1997)
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2: 0.45" (1990)
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3: 0.44" (1996)
Precipitation data from 1929 to 2022.