Records for Olympia Area, Washington (OLMthr) on 05-18
Record Highs
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1: 90°F (1956)
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2: 89°F (1958)
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3: 85°F (1963)
Record Lows
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1: 28°F (2003)
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2: 29°F (1970)
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3: 30°F (1976)
Lowest Highs
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1: 53°F (1955)
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2: 52°F (2008)
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3: 51°F (1986)
Highest Lows
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1: 54°F (1991)
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2: 56°F (2022)
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3: 56°F (1974)
Highest May temperature:
96°F on 05-28-1983.
Lowest May temperature:
25°F on 05-01-1954.
Average temperature is 55.2°F
Average high is 66.8°F
Average low is 43.6°F
Temperature data from 1948 to 2022.
Record Precipitation
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1: 0.64" (1953)
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2: 0.61" (2005)
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3: 0.59" (1996)
Precipitation data from 1948 to 2022.