Records for Portland Downtown Area, Oregon (PGWO3thr) on 05-20
Record Highs
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1: 94°F (1963)
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2: 93°F (1892)
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3: 91°F (1928)
Record Lows
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1: 37°F (1975)
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2: 39°F (1878)
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3: 41°F (1911)
Lowest Highs
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1: 65°F (1963)
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2: 60°F (1942)
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3: 59°F (1928)
Highest Lows
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1: 53°F (1902)
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2: 53°F (1877)
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3: 54°F (2007)
Highest May temperature:
103°F on 05-28-1983.
Lowest May temperature:
32°F on 05-09-1894.
Average temperature is 59.6°F
Average high is 69°F
Average low is 50.1°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 0.75" (1879)
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2: 0.64" (1998)
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3: 0.62" (2010)
Precipitation data from 1872 to 2022.