Records for Olympia Area, Washington (OLMthr) on 09-18
Record Highs
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1: 86°F (1991)
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2: 85°F (2012)
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3: 83°F (1982)
Record Lows
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1: 31°F (1965)
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2: 33°F (1988)
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3: 33°F (1978)
Lowest Highs
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1: 59°F (2020)
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2: 59°F (2014)
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3: 59°F (2000)
Highest Lows
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1: 56°F (2004)
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2: 60°F (2008)
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3: 60°F (1996)
Highest September temperature:
98°F on 09-02-1988.
Lowest September temperature:
25°F on 09-27-1972.
Average temperature is 58.8°F
Average high is 71.7°F
Average low is 45.8°F
Temperature data from 1948 to 2022.
Record Precipitation
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1: 0.85" (2010)
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2: 0.75" (1983)
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3: 0.68" (1988)
Precipitation data from 1948 to 2022.