Records for Islip Area, New York (ISPthr) on 06-21
Record Highs
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1: 95°F (2012)
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2: 93°F (1988)
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3: 90°F (1966)
Record Lows
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1: 47°F (1968)
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2: 50°F (2004)
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3: 51°F (1970)
Lowest Highs
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1: 77°F (2012)
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2: 70°F (1997)
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3: 69°F (2021)
Highest Lows
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1: 62°F (2003)
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2: 66°F (1970)
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3: 70°F (1999)
Highest June temperature:
96°F on 06-19-1994.
Lowest June temperature:
42°F on 06-01-2009.
Average temperature is 70.4°F
Average high is 76°F
Average low is 64.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.96" (2018)
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2: 0.96" (2003)
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3: 0.63" (1974)
Precipitation data from 1963 to 2022.