Records for Portland Area, Oregon (PDXthr) on 05-17
Record Highs
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1: 95°F (2008)
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2: 89°F (1958)
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3: 89°F (1956)
Record Lows
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1: 37°F (1966)
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2: 39°F (2003)
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3: 39°F (1974)
Lowest Highs
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1: 62°F (2008)
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2: 57°F (2006)
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3: 55°F (2018)
Highest Lows
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1: 51°F (2003)
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2: 52°F (1991)
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3: 55°F (1971)
Highest May temperature:
100°F on 05-28-1983.
Lowest May temperature:
29°F on 05-01-1954.
Average temperature is 59.1°F
Average high is 68.5°F
Average low is 49.7°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 1.20" (1991)
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2: 0.86" (1998)
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3: 0.86" (1996)
Precipitation data from 1940 to 2022.