Records for Hillsboro Area, Oregon (HIOthr) on 12-26
Record Highs
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1: 64°F (1980)
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2: 62°F (1964)
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3: 57°F (2022)
Record Lows
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1: 19°F (1985)
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2: 21°F (1962)
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3: 21°F (1948)
Lowest Highs
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1: 53°F (1980)
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2: 48°F (1967)
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3: 45°F (1972)
Highest Lows
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1: 31°F (1990)
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2: 31°F (1983)
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3: 31°F (1956)
Highest December temperature:
64°F on 12-01-1951.
Lowest December temperature:
-2°F on 12-08-1972.
Average temperature is 39.3°F
Average high is 45.5°F
Average low is 33°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 2.50" (2022)
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2: 2.06" (1937)
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3: 1.13" (1972)
Precipitation data from 1929 to 2022.