Records for Hillsboro Area, Oregon (HIOthr) on 12-05
Record Highs
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1: 59°F (1989)
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2: 58°F (1929)
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3: 57°F (1979)
Record Lows
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1: 15°F (2013)
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2: 21°F (1972)
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3: 22°F (2011)
Lowest Highs
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1: 46°F (1989)
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2: 46°F (1940)
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3: 44°F (1991)
Highest Lows
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1: 25°F (1972)
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2: 33°F (2013)
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3: 34°F (1956)
Highest December temperature:
64°F on 12-01-1951.
Lowest December temperature:
-2°F on 12-08-1972.
Average temperature is 40.6°F
Average high is 47.3°F
Average low is 33.9°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.15" (1989)
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2: 1.13" (1966)
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3: 1.09" (1933)
Precipitation data from 1929 to 2022.