Records for Islip Area, New York (ISPthr) on 06-30
Record Highs
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1: 93°F (2012)
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2: 92°F (1968)
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3: 91°F (1966)
Record Lows
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1: 55°F (1988)
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2: 55°F (1981)
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3: 58°F (1995)
Lowest Highs
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1: 74°F (2021)
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2: 73°F (2001)
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3: 70°F (2013)
Highest Lows
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1: 66°F (1996)
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2: 67°F (1967)
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3: 72°F (1988)
Highest June temperature:
96°F on 06-19-1994.
Lowest June temperature:
42°F on 06-01-2009.
Average temperature is 72.7°F
Average high is 78.1°F
Average low is 67.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.08" (1990)
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2: 1.04" (1973)
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3: 0.72" (1972)
Precipitation data from 1963 to 2022.