484
CDUS41 KOKX 142200
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
500 PM EST SUN DEC 14 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 14 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 34 1016 AM 62 2015 45 -11 35
MINIMUM 29 359 PM 5 1982 30 -1 20
AVERAGE 32 38 -6 28
PRECIPITATION (IN)
TODAY 0.23 1.62 1977 0.15 0.08 0.00
MONTH TO DATE 1.64 2.19 -0.55 2.43
SINCE DEC 1 1.64 2.19 -0.55 2.43
SINCE JAN 1 34.78 43.47 -8.69 45.00
SNOWFALL (IN)
TODAY 5.8 R 4.1 2013 0.1 5.7 0.0
MONTH TO DATE 5.8 1.3 4.5 T
SINCE DEC 1 5.8 1.3 4.5 T
SINCE JUL 1 5.8 1.8 4.0 T
SNOW DEPTH 2
DEGREE DAYS
HEATING
TODAY 33 28 5 37
MONTH TO DATE 420 362 58 397
SINCE DEC 1 420 362 58 397
SINCE JUL 1 1209 1301 -92 1087
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1104 885 219 1012
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
BLOWING SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 AM
LOWEST 63 400 PM
AVERAGE 80
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 62 2015
MINIMUM TEMPERATURE (F) 30 11 1968
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 709 AM EST SUNSET 425 PM EST
DECEMBER 15 2025......SUNRISE 710 AM EST SUNSET 426 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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