834
CDUS41 KOKX 300634
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
134 AM EST TUE DEC 30 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 29 2025
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)
YESTERDAY
MAXIMUM 49 300 PM 65 1984 41 8 56
MINIMUM 32 1100 PM 11 1963 27 5 47
2017
AVERAGE 41 34 7 52
PRECIPITATION (IN)
YESTERDAY 0.19 1.56 2013 0.13 0.06 0.16
MONTH TO DATE 3.74 4.43 -0.69 5.28
SINCE DEC 1 3.74 4.43 -0.69 5.28
SINCE JAN 1 36.88 45.71 -8.83 47.85
SNOWFALL (IN)
YESTERDAY 0.0 3.1 1987 0.2 -0.2 0.0
MONTH TO DATE 12.4 4.0 8.4 2.1
SINCE DEC 1 12.4 4.0 8.4 2.1
SINCE JUL 1 12.4 4.5 7.9 2.1
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 24 31 -7 13
MONTH TO DATE 877 802 75 839
SINCE DEC 1 877 802 75 839
SINCE JUL 1 1666 1741 -75 1529
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 16.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 36 700 PM
AVERAGE 67
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 61 2024
MINIMUM TEMPERATURE (F) 27 1 1963
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 716 AM EST SUNSET 434 PM EST
DECEMBER 31 2025......SUNRISE 717 AM EST SUNSET 435 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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