Records for Portland Downtown Area, Oregon (PGWO3thr) on 09-18
Record Highs
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1: 90°F (1991)
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2: 89°F (1897)
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3: 88°F (1999)
Record Lows
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1: 41°F (1909)
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2: 42°F (1908)
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3: 42°F (1904)
Lowest Highs
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1: 62°F (1991)
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2: 62°F (1927)
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3: 61°F (1984)
Highest Lows
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1: 56°F (2004)
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2: 59°F (2017)
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3: 60°F (1925)
Highest September temperature:
103°F on 09-02-1988.
Lowest September temperature:
35°F on 09-24-1908.
Average temperature is 64.7°F
Average high is 74.6°F
Average low is 54.9°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.65" (1921)
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2: 1.40" (2021)
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3: 1.00" (2010)
Precipitation data from 1872 to 2022.