Records for Portland Downtown Area, Oregon (PGWO3thr) on 05-18
Record Highs
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1: 92°F (1963)
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2: 89°F (1884)
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3: 88°F (1956)
Record Lows
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1: 37°F (2003)
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2: 38°F (1877)
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3: 40°F (1982)
Lowest Highs
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1: 64°F (1958)
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2: 60°F (1993)
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3: 59°F (1963)
Highest Lows
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1: 52°F (1974)
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2: 52°F (1927)
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3: 53°F (1991)
Highest May temperature:
103°F on 05-28-1983.
Lowest May temperature:
32°F on 05-09-1894.
Average temperature is 59.3°F
Average high is 68.7°F
Average low is 49.9°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 0.96" (2014)
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2: 0.63" (2005)
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3: 0.43" (1953)
Precipitation data from 1872 to 2022.