141
CDUS41 KOKX 090623
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
123 AM EST TUE DEC 09 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 8 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 39 313 AM 62 1980 46 -7 54
MINIMUM 24 1159 PM 15 1970 32 -8 32
AVERAGE 32 39 -7 43
PRECIPITATION (IN)
YESTERDAY 0.00 1.58 1974 0.15 -0.15 T
MONTH TO DATE 1.33 1.24 0.09 0.52
SINCE DEC 1 1.33 1.24 0.09 0.52
SINCE JAN 1 34.47 42.52 -8.05 43.09
SNOWFALL (IN)
YESTERDAY 0.0 0.7 2013 0.1 -0.1 0.0
MONTH TO DATE T 0.6 -0.6 T
SINCE DEC 1 T 0.6 -0.6 T
SINCE JUL 1 T 1.1 -1.1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 33 26 7 22
MONTH TO DATE 236 201 35 241
SINCE DEC 1 236 201 35 241
SINCE JUL 1 1025 1140 -115 931
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 200 AM
LOWEST 24 200 PM
AVERAGE 45
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 66 1991
MINIMUM TEMPERATURE (F) 31 8 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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