Records for Islip Area, New York (ISPthr) on 12-12

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Record Highs
Record Lows
Lowest Highs
Highest Lows
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 38.5°F
Average high is 44.5°F
Average low is 32.5°F
Temperature data from 1963 to 2020.

Record Precipitation
Precipitation data from 1963 to 2020.
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Record temperature data from ThreadEx version 16.3 (includes data through 2020). Averages from NCDC 1991-2020 U.S. Climate Normals.