Records for Olympia Area, Washington (OLMthr) on 09-30
Record Highs
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1: 83°F (1992)
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2: 83°F (1987)
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3: 80°F (1957)
Record Lows
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1: 29°F (2019)
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2: 29°F (1950)
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3: 30°F (1985)
Lowest Highs
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1: 56°F (1997)
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2: 56°F (1994)
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3: 55°F (2000)
Highest Lows
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1: 55°F (2007)
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2: 56°F (1961)
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3: 57°F (1953)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
25°F on 09-27-1972.
Average temperature is 55.2°F
Average high is 66.9°F
Average low is 43.5°F
Temperature data from 1948 to 2022.
Record Precipitation
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1: 1.52" (2013)
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2: 1.34" (1953)
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3: 1.27" (1964)
Precipitation data from 1948 to 2022.