Records for Islip Area, New York (ISPthr) on 04-10
Record Highs
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1: 77°F (1991)
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2: 74°F (2008)
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3: 71°F (2013)
Record Lows
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1: 25°F (1975)
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2: 27°F (1997)
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3: 27°F (1985)
Lowest Highs
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1: 50°F (2013)
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2: 50°F (1993)
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3: 49°F (1994)
Highest Lows
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1: 42°F (1985)
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2: 44°F (1996)
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3: 47°F (2016)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 47.8°F
Average high is 54°F
Average low is 41.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.21" (1983)
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2: 1.62" (1980)
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3: 0.77" (1998)
Precipitation data from 1963 to 2022.