Records for Hillsboro Area, Oregon (HIOthr) on 08-23
Record Highs
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1: 97°F (1996)
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2: 94°F (1934)
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3: 92°F (1988)
Record Lows
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1: 32°F (1930)
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2: 39°F (1938)
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3: 40°F (2021)
Lowest Highs
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1: 63°F (2011)
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2: 61°F (1965)
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3: 60°F (1956)
Highest Lows
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1: 64°F (1937)
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2: 65°F (1977)
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3: 65°F (1973)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 66.3°F
Average high is 81.5°F
Average low is 51.1°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.10" (1977)
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2: 0.98" (1968)
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3: 0.60" (1975)
Precipitation data from 1929 to 2022.