Records for Hillsboro Area, Oregon (HIOthr) on 08-17
Record Highs
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1: 106°F (1977)
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2: 101°F (2022)
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3: 99°F (2012)
Record Lows
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1: 40°F (1973)
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2: 40°F (1935)
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3: 41°F (1970)
Lowest Highs
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1: 67°F (2008)
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2: 63°F (1997)
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3: 60°F (2022)
Highest Lows
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1: 66°F (1975)
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2: 66°F (1959)
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3: 67°F (1968)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 67.1°F
Average high is 82.4°F
Average low is 51.8°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.23" (1976)
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2: 0.19" (1972)
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3: 0.18" (1975)
Precipitation data from 1929 to 2022.