595
CDUS41 KOKX 200617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
117 AM EST THU NOV 20 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 19 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 50 259 PM 63 1985 52 -2 60
1999
MINIMUM 33 1050 PM 22 2014 37 -4 44
2020
AVERAGE 42 44 -2 52
PRECIPITATION (IN)
YESTERDAY 0.05 1.46 1986 0.12 -0.07 T
MONTH TO DATE 1.22 2.06 -0.84 0.23
SINCE SEP 1 7.86 9.63 -1.77 0.59
SINCE JAN 1 31.64 39.93 -8.29 39.46
SNOWFALL (IN)
YESTERDAY 0.0 T 1986 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 13
MONTH TO DATE 325 336 -11 248
SINCE SEP 1 553 690 -137 470
SINCE JUL 1 553 693 -140 471
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 800 AM
LOWEST 56 300 PM
AVERAGE 71
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 66 1985
MINIMUM TEMPERATURE (F) 36 21 1986
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 645 AM EST SUNSET 430 PM EST
NOVEMBER 21 2025......SUNRISE 647 AM EST SUNSET 430 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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