Records for Pullman Area, Washington (PUWthr) on 09-20
Record Highs
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1: 91°F (1939)
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2: 88°F (1918)
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3: 87°F (1991)
Record Lows
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1: 30°F (2007)
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2: 30°F (1983)
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3: 31°F (1916)
Lowest Highs
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1: 62°F (1910)
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2: 60°F (1939)
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3: 57°F (1918)
Highest Lows
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1: 45°F (1968)
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2: 50°F (2017)
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3: 51°F (1932)
Highest September temperature:
100°F on 09-04-1988.
Lowest September temperature:
20°F on 09-29-1983.
Average temperature is 58.8°F
Average high is 74.3°F
Average low is 43.3°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.63" (1945)
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2: 0.45" (1969)
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3: 0.33" (1973)
Precipitation data from 1893 to 2022.