Records for Islip Area, New York (ISPthr) on 06-23
Record Highs
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1: 91°F (1999)
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2: 89°F (2010)
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3: 88°F (1983)
Record Lows
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1: 48°F (1992)
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2: 53°F (2005)
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3: 54°F (2021)
Lowest Highs
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1: 71°F (2017)
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2: 71°F (2015)
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3: 70°F (2020)
Highest Lows
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1: 66°F (2018)
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2: 67°F (1972)
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3: 67°F (1969)
Highest June temperature:
96°F on 06-19-1994.
Lowest June temperature:
42°F on 06-01-2009.
Average temperature is 71°F
Average high is 76.6°F
Average low is 65.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.94" (1967)
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2: 0.56" (1972)
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3: 0.53" (1974)
Precipitation data from 1963 to 2022.