Records for Pullman Area, Washington (PUWthr) on 05-20
Record Highs
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1: 85°F (1928)
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2: 84°F (1993)
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3: 83°F (1958)
Record Lows
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1: 30°F (1987)
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2: 30°F (1971)
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3: 31°F (1975)
Lowest Highs
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1: 55°F (1993)
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2: 55°F (1897)
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3: 54°F (1955)
Highest Lows
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1: 45°F (1962)
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2: 47°F (1927)
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3: 48°F (1918)
Highest May temperature:
94°F on 05-29-1897.
Lowest May temperature:
23°F on 05-02-1954.
Average temperature is 55.4°F
Average high is 67.7°F
Average low is 43°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.25" (2020)
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2: 0.98" (1912)
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3: 0.91" (1994)
Precipitation data from 1893 to 2022.