813
CDUS41 KOKX 130629
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
129 AM EST TUE JAN 13 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 12 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 41 300 PM 68 2020 39 2 41
MINIMUM 32 800 AM -4 1981 25 7 24
AVERAGE 37 32 5 33
PRECIPITATION (IN)
YESTERDAY 0.00 1.43 1991 0.13 -0.13 0.00
MONTH TO DATE 1.01 1.50 -0.49 0.03
SINCE DEC 1 4.78 6.21 -1.43 6.26
SINCE JAN 1 1.01 1.50 -0.49 0.03
SNOWFALL (IN)
YESTERDAY 0.0 14.0 2011 0.3 -0.3 0.0
MONTH TO DATE 0.8 3.2 -2.4 0.4
SINCE DEC 1 13.3 7.7 5.6 2.5
SINCE JUL 1 13.3 8.2 5.1 2.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 33 -5 32
MONTH TO DATE 346 387 -41 383
SINCE DEC 1 1290 1252 38 1256
SINCE JUL 1 2079 2191 -112 1946
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 1100 PM
LOWEST 39 100 PM
AVERAGE 48
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 60 1995
MINIMUM TEMPERATURE (F) 25 5 1981
SUNRISE AND SUNSET
JANUARY 13 2026.......SUNRISE 715 AM EST SUNSET 447 PM EST
JANUARY 14 2026.......SUNRISE 715 AM EST SUNSET 448 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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