776
CDUS41 KOKX 220618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
118 AM EST MON DEC 22 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 21 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 50 1139 AM 60 2018 43 7 33
MINIMUM 30 1159 PM 9 2004 29 1 21
AVERAGE 40 36 4 27
PRECIPITATION (IN)
YESTERDAY 0.00 1.81 1973 0.15 -0.15 0.09
MONTH TO DATE 2.48 3.27 -0.79 4.61
SINCE DEC 1 2.48 3.27 -0.79 4.61
SINCE JAN 1 35.62 44.55 -8.93 47.18
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2024 0.2 -0.2 2.0
MONTH TO DATE 5.8 2.4 3.4 2.0
SINCE DEC 1 5.8 2.4 3.4 2.0
SINCE JUL 1 5.8 2.9 2.9 2.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 29 -4 38
MONTH TO DATE 629 561 68 579
SINCE DEC 1 629 561 68 579
SINCE JUL 1 1418 1500 -82 1269
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 29 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 16.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 400 AM
LOWEST 32 1100 AM
AVERAGE 52
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 61 2013
MINIMUM TEMPERATURE (F) 28 9 1989
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 714 AM EST SUNSET 429 PM EST
DECEMBER 23 2025......SUNRISE 714 AM EST SUNSET 429 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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