Records for Tri-Cities Area, Washington (PSCthr) on 05-01
Record Highs
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1: 91°F (1998)
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2: 91°F (1981)
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3: 87°F (1947)
Record Lows
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1: 26°F (1905)
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2: 28°F (2013)
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3: 30°F (2011)
Lowest Highs
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1: 62°F (1945)
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2: 57°F (1981)
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3: 56°F (2021)
Highest Lows
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1: 50°F (1915)
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2: 52°F (1896)
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3: 58°F (1969)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 56.9°F
Average high is 72.5°F
Average low is 41.3°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.32" (1932)
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2: 0.21" (1950)
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3: 0.20" (1984)
Precipitation data from 1894 to 2022.