614
CDUS41 KOKX 092131
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
431 PM EST TUE DEC 09 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 9 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 31 359 PM 66 1991 46 -15 53
MINIMUM 21 722 AM 8 1968 31 -10 30
AVERAGE 26 39 -13 42
PRECIPITATION (IN)
TODAY 0.00 2.14 2014 0.16 -0.16 0.22
MONTH TO DATE 1.33 1.40 -0.07 0.74
SINCE DEC 1 1.33 1.40 -0.07 0.74
SINCE JAN 1 34.47 42.68 -8.21 43.31
SNOWFALL (IN)
TODAY 0.0 1.3 2017 0.1 -0.1 0.0
MONTH TO DATE T 0.7 -0.7 T
SINCE DEC 1 T 0.7 -0.7 T
SINCE JUL 1 T 1.2 -1.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 39 26 13 23
MONTH TO DATE 275 227 48 264
SINCE DEC 1 275 227 48 264
SINCE JUL 1 1064 1166 -102 954
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 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 600 AM
LOWEST 26 100 PM
AVERAGE 40
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 61 2015
MINIMUM TEMPERATURE (F) 31 6 1968
SUNRISE AND SUNSET
DECEMBER 9 2025......SUNRISE 705 AM EST SUNSET 425 PM EST
DECEMBER 10 2025......SUNRISE 706 AM EST SUNSET 425 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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