Records for Portland Area, Oregon (PDXthr) on 05-01
Record Highs
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1: 89°F (2014)
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2: 85°F (1998)
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3: 83°F (1947)
Record Lows
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1: 29°F (1954)
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2: 32°F (1964)
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3: 34°F (1948)
Lowest Highs
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1: 53°F (2014)
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2: 53°F (1998)
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3: 53°F (1995)
Highest Lows
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1: 49°F (1964)
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2: 52°F (1963)
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3: 52°F (1950)
Highest May temperature:
100°F on 05-28-1983.
Lowest May temperature:
29°F on 05-01-1954.
Average temperature is 55.7°F
Average high is 64.5°F
Average low is 46.8°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 1.15" (1949)
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2: 0.78" (1984)
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3: 0.46" (1995)
Precipitation data from 1940 to 2022.