Records for Portland Area, Oregon (PDXthr) on 05-28
Record Highs
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1: 100°F (1983)
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2: 92°F (1972)
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3: 91°F (2020)
Record Lows
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1: 38°F (1954)
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2: 39°F (1955)
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3: 40°F (1950)
Lowest Highs
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1: 62°F (1983)
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2: 59°F (1997)
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3: 58°F (2002)
Highest Lows
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1: 57°F (2010)
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2: 58°F (1996)
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3: 58°F (1994)
Highest May temperature:
100°F on 05-28-1983.
Lowest May temperature:
29°F on 05-01-1954.
Average temperature is 60.6°F
Average high is 70.1°F
Average low is 51.1°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 0.80" (1985)
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2: 0.49" (1948)
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3: 0.46" (2002)
Precipitation data from 1940 to 2022.