Records for Pullman Area, Washington (PUWthr) on 09-30
Record Highs
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1: 88°F (1989)
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2: 86°F (1992)
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3: 85°F (2011)
Record Lows
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1: 21°F (1983)
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2: 28°F (1985)
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3: 28°F (1971)
Lowest Highs
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1: 57°F (1989)
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2: 56°F (2000)
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3: 56°F (1997)
Highest Lows
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1: 48°F (2019)
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2: 50°F (1986)
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3: 50°F (1925)
Highest September temperature:
100°F on 09-04-1988.
Lowest September temperature:
20°F on 09-29-1983.
Average temperature is 55°F
Average high is 69.6°F
Average low is 40.4°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.70" (1902)
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2: 0.42" (1986)
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3: 0.35" (1940)
Precipitation data from 1893 to 2022.