Records for Hillsboro Area, Oregon (HIOthr) on 08-18
Record Highs
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1: 102°F (2016)
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2: 98°F (2015)
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3: 98°F (1950)
Record Lows
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1: 39°F (1973)
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2: 40°F (1944)
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3: 41°F (1943)
Lowest Highs
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1: 64°F (2022)
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2: 60°F (2008)
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3: 60°F (1991)
Highest Lows
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1: 66°F (1975)
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2: 66°F (1968)
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3: 67°F (1974)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 67°F
Average high is 82.2°F
Average low is 51.7°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.41" (1975)
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2: 0.24" (2008)
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3: 0.23" (1968)
Precipitation data from 1929 to 2022.