Records for Portland Area, Oregon (PDXthr) on 05-30
Record Highs
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1: 91°F (1986)
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2: 90°F (2007)
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3: 88°F (2009)
Record Lows
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1: 40°F (1955)
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2: 41°F (1966)
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3: 42°F (1978)
Lowest Highs
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1: 61°F (1997)
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2: 59°F (1993)
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3: 57°F (2005)
Highest Lows
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1: 53°F (1976)
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2: 57°F (1971)
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3: 57°F (1955)
Highest May temperature:
100°F on 05-28-1983.
Lowest May temperature:
29°F on 05-01-1954.
Average temperature is 60.8°F
Average high is 70.3°F
Average low is 51.3°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 0.58" (1943)
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2: 0.48" (1987)
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3: 0.44" (1941)
Precipitation data from 1940 to 2022.