Records for Portland Area, Oregon (PDXthr) on 09-18
Record Highs
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1: 93°F (1991)
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2: 92°F (1999)
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3: 88°F (2012)
Record Lows
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1: 36°F (1965)
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2: 40°F (1942)
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3: 42°F (1964)
Lowest Highs
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1: 61°F (2014)
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2: 61°F (2000)
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3: 61°F (1984)
Highest Lows
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1: 59°F (2004)
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2: 61°F (2017)
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3: 61°F (1972)
Highest September temperature:
105°F on 09-02-1988.
Lowest September temperature:
34°F on 09-17-1965.
Average temperature is 64.7°F
Average high is 74.6°F
Average low is 54.9°F
Temperature data from 1940 to 2022.
Record Precipitation
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1: 1.31" (2021)
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2: 0.97" (2010)
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3: 0.82" (1998)
Precipitation data from 1940 to 2022.