Records for Tri-Cities Area, Washington (PSCthr) on 05-10
Record Highs
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1: 97°F (2013)
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2: 95°F (1987)
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3: 94°F (1949)
Record Lows
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1: 30°F (1999)
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2: 30°F (1894)
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3: 32°F (2006)
Lowest Highs
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1: 61°F (1940)
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2: 60°F (1906)
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3: 58°F (1966)
Highest Lows
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1: 58°F (2010)
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2: 59°F (1948)
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3: 60°F (1967)
Highest May temperature:
104°F on 05-30-1983.
Lowest May temperature:
26°F on 05-01-1905.
Average temperature is 59.9°F
Average high is 75.4°F
Average low is 44.3°F
Temperature data from 1894 to 2022.
Record Precipitation
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1: 0.61" (1961)
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2: 0.41" (1915)
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3: 0.27" (1989)
Precipitation data from 1894 to 2022.