Records for Islip Area, New York (ISPthr) on 04-19
Record Highs
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1: 82°F (1985)
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2: 77°F (1976)
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3: 77°F (1973)
Record Lows
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1: 27°F (1965)
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2: 29°F (1990)
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3: 30°F (2001)
Lowest Highs
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1: 58°F (2002)
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2: 55°F (2019)
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3: 55°F (1987)
Highest Lows
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1: 43°F (1965)
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2: 45°F (1988)
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3: 46°F (2018)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 50.7°F
Average high is 56.8°F
Average low is 44.5°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.79" (1983)
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2: 0.61" (1998)
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3: 0.60" (1978)
Precipitation data from 1963 to 2022.