Records for Portland Downtown Area, Oregon (PGWO3thr) on 12-31
Record Highs
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1: 60°F (1996)
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2: 60°F (1917)
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3: 59°F (1963)
Record Lows
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1: 7°F (1968)
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2: 14°F (1978)
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3: 14°F (1927)
Lowest Highs
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1: 55°F (1917)
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2: 48°F (1996)
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3: 47°F (1980)
Highest Lows
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1: 19°F (1927)
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2: 22°F (1978)
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3: 23°F (1884)
Highest December temperature:
67°F on 12-10-1993.
Lowest December temperature:
3°F on 12-13-1919.
Average temperature is 40.9°F
Average high is 45.3°F
Average low is 36.5°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 2.79" (1875)
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2: 1.42" (1996)
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3: 1.25" (1979)
Precipitation data from 1872 to 2022.