112
CDUS41 KOKX 250634
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
234 AM EDT THU SEP 25 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 24 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 80 146 PM 89 2017 72 8 67
MINIMUM 70 628 AM 38 1963 56 14 53
AVERAGE 75 64 11 60
PRECIPITATION (IN)
YESTERDAY 0.07 1.23 2021 0.12 -0.05 0.00
MONTH TO DATE 1.31 2.84 -1.53 0.06
SINCE SEP 1 1.31 2.84 -1.53 0.06
SINCE JAN 1 25.09 33.14 -8.05 38.93
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 5
MONTH TO DATE 7 29 -22 13
SINCE SEP 1 7 29 -22 13
SINCE JUL 1 7 32 -25 14
COOLING
YESTERDAY 10 2 8 0
MONTH TO DATE 103 98 5 72
SINCE SEP 1 103 98 5 72
SINCE JAN 1 1031 862 169 993
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1100 PM
LOWEST 67 100 PM
AVERAGE 82
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2010
MINIMUM TEMPERATURE (F) 56 38 1963
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 643 AM EDT SUNSET 644 PM EDT
SEPTEMBER 26 2025.....SUNRISE 644 AM EDT SUNSET 642 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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