Records for Boston Area, Massachusetts (BOSthr) on 09-21
Record Highs
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1: 94°F (1895)
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2: 90°F (1914)
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3: 88°F (1978)
Record Lows
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1: 40°F (1929)
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2: 40°F (1904)
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3: 41°F (1962)
Lowest Highs
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1: 69°F (2016)
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2: 69°F (1983)
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3: 68°F (1965)
Highest Lows
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1: 55°F (1977)
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2: 55°F (1876)
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3: 56°F (1942)
Highest September temperature:
102°F on 09-07-1881.
Lowest September temperature:
34°F on 09-26-1879.
Average temperature is 63.8°F
Average high is 71.2°F
Average low is 56.4°F
Temperature data from 1872 to 2022.
Record Precipitation
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1: 2.77" (1961)
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2: 1.93" (1974)
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3: 1.69" (1882)
Precipitation data from 1872 to 2022.