Records for Portland Area, Oregon (PDXthr) on 12-18
Record Highs
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1: 59°F (2018)
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2: 58°F (1972)
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3: 57°F (1941)
Record Lows
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1: 11°F (1964)
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2: 22°F (1948)
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3: 24°F (1984)
Lowest Highs
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1: 47°F (2017)
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2: 46°F (2018)
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3: 46°F (1999)
Highest Lows
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1: 17°F (1964)
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2: 33°F (1955)
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3: 34°F (1984)
Highest December temperature:
65°F on 12-10-1993.
Lowest December temperature:
6°F on 12-16-1964.
Average temperature is 41.1°F
Average high is 45.3°F
Average low is 36.9°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 1.26" (2021)
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2: 1.01" (1941)
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3: 0.80" (2018)
Precipitation data from 1940 to 2022.