Records for Hillsboro Area, Oregon (HIOthr) on 08-09
Record Highs
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1: 104°F (1981)
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2: 103°F (1971)
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3: 101°F (1996)
Record Lows
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1: 40°F (1959)
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2: 41°F (1954)
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3: 42°F (1931)
Lowest Highs
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1: 63°F (1991)
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2: 62°F (1981)
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3: 61°F (2019)
Highest Lows
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1: 68°F (2010)
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2: 70°F (2016)
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3: 70°F (2011)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 68°F
Average high is 83.4°F
Average low is 52.6°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.14" (1937)
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2: 0.12" (2008)
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3: 0.10" (1957)
Precipitation data from 1929 to 2022.