Records for Islip Area, New York (ISPthr) on 04-04
Record Highs
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1: 75°F (2010)
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2: 68°F (2012)
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3: 66°F (1997)
Record Lows
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1: 26°F (1975)
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2: 26°F (1972)
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3: 27°F (1967)
Lowest Highs
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1: 52°F (1981)
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2: 52°F (1974)
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3: 49°F (2000)
Highest Lows
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1: 38°F (1975)
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2: 41°F (2003)
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3: 42°F (2007)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 45.8°F
Average high is 52°F
Average low is 39.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.36" (2007)
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2: 1.07" (2017)
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3: 1.06" (1980)
Precipitation data from 1963 to 2022.