017
CDUS41 KOKX 242041
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
441 PM EDT WED SEP 24 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 24 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
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)
TODAY 0.04 1.23 2021 0.12 -0.08 0.00
MONTH TO DATE 1.28 2.84 -1.56 0.06
SINCE SEP 1 1.28 2.84 -1.56 0.06
SINCE JAN 1 25.06 33.14 -8.08 38.93
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 67 100 PM
AVERAGE 80
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2010
MINIMUM TEMPERATURE (F) 56 38 1963
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 642 AM EDT SUNSET 646 PM EDT
SEPTEMBER 25 2025.....SUNRISE 643 AM EDT SUNSET 644 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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