Records for Hillsboro Area, Oregon (HIOthr) on 08-21
Record Highs
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1: 99°F (1951)
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2: 98°F (1961)
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3: 98°F (1958)
Record Lows
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1: 39°F (1947)
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2: 39°F (1930)
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3: 41°F (1980)
Lowest Highs
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1: 60°F (1977)
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2: 60°F (1958)
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3: 59°F (2007)
Highest Lows
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1: 67°F (1943)
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2: 68°F (2001)
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3: 68°F (1977)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 66.6°F
Average high is 81.8°F
Average low is 51.3°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.54" (1979)
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2: 0.46" (1978)
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3: 0.35" (2004)
Precipitation data from 1929 to 2022.