Records for Hillsboro Area, Oregon (HIOthr) on 08-15
Record Highs
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1: 103°F (2008)
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2: 100°F (2020)
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3: 100°F (1933)
Record Lows
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1: 39°F (1935)
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2: 42°F (1955)
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3: 42°F (1946)
Lowest Highs
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1: 66°F (1950)
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2: 63°F (2013)
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3: 62°F (2014)
Highest Lows
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1: 63°F (1976)
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2: 67°F (2009)
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3: 68°F (1993)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 67.3°F
Average high is 82.6°F
Average low is 52°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.89" (1976)
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2: 0.63" (1979)
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3: 0.37" (1978)
Precipitation data from 1929 to 2022.