Records for Hillsboro Area, Oregon (HIOthr) on 08-20
Record Highs
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1: 101°F (2016)
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2: 101°F (1951)
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3: 98°F (1958)
Record Lows
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1: 40°F (2010)
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2: 40°F (2000)
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3: 41°F (1947)
Lowest Highs
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1: 62°F (2007)
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2: 62°F (1942)
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3: 61°F (1974)
Highest Lows
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1: 65°F (1985)
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2: 65°F (1978)
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3: 65°F (1965)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 66.7°F
Average high is 82°F
Average low is 51.5°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.13" (1978)
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2: 0.44" (1965)
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3: 0.33" (1997)
Precipitation data from 1929 to 2022.