Records for Islip Area, New York (ISPthr) on 04-11
Record Highs
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1: 69°F (2017)
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2: 69°F (2010)
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3: 68°F (2014)
Record Lows
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1: 26°F (2018)
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2: 26°F (2007)
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3: 27°F (2000)
Lowest Highs
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1: 49°F (2014)
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2: 48°F (2017)
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3: 48°F (1993)
Highest Lows
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1: 44°F (1986)
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2: 45°F (2003)
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3: 45°F (2000)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 48.2°F
Average high is 54.3°F
Average low is 42°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.92" (2009)
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2: 0.51" (1999)
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3: 0.49" (1992)
Precipitation data from 1963 to 2022.