Records for Olympia Area, Washington (OLMthr) on 05-20
Record Highs
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1: 90°F (1963)
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2: 87°F (1967)
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3: 85°F (1978)
Record Lows
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1: 29°F (1975)
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2: 35°F (2022)
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3: 35°F (2021)
Lowest Highs
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1: 51°F (2015)
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2: 51°F (1993)
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3: 51°F (1961)
Highest Lows
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1: 53°F (2010)
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2: 54°F (1962)
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3: 56°F (2019)
Highest May temperature:
96°F on 05-28-1983.
Lowest May temperature:
25°F on 05-01-1954.
Average temperature is 55.5°F
Average high is 67.1°F
Average low is 44°F
Temperature data from 1948 to 2022.
Record Precipitation
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1: 0.51" (2010)
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2: 0.42" (2007)
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3: 0.29" (1993)
Precipitation data from 1948 to 2022.