825
CDUS41 KOKX 180618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
118 AM EST TUE NOV 18 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 17 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 47 259 PM 66 2006 53 -6 65
MINIMUM 37 526 AM 15 1967 37 0 43
AVERAGE 42 45 -3 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.59 2014 0.11 -0.11 0.00
MONTH TO DATE 1.17 1.83 -0.66 0.23
SINCE SEP 1 7.81 9.40 -1.59 0.59
SINCE JAN 1 31.59 39.70 -8.11 39.46
SNOWFALL (IN)
YESTERDAY 0.0 T 2019 0.0 0.0 0.0
MONTH TO DATE T 0.2 -0.2 0.0
SINCE SEP 1 T 0.2 -0.2 0.0
SINCE JUL 1 T 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 20 3 11
MONTH TO DATE 279 296 -17 223
SINCE SEP 1 507 650 -143 445
SINCE JUL 1 507 653 -146 446
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE SEP 1 176 121 55 91
SINCE JAN 1 1104 885 219 1012
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 18.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 46 500 AM
LOWEST 35 100 PM
AVERAGE 41
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 69 1987
MINIMUM TEMPERATURE (F) 37 24 2014
2020
SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE 643 AM EST SUNSET 432 PM EST
NOVEMBER 19 2025......SUNRISE 644 AM EST SUNSET 431 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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