172
CDUS41 KOKX 240623
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
223 AM EDT WED SEP 24 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 23 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 79 229 PM 88 1970 72 7 68
1980
MINIMUM 65 508 AM 40 1976 56 9 55
AVERAGE 72 64 8 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.69 1975 0.11 -0.11 T
MONTH TO DATE 1.24 2.72 -1.48 0.06
SINCE SEP 1 1.24 2.72 -1.48 0.06
SINCE JAN 1 25.02 33.02 -8.00 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 3
MONTH TO DATE 7 26 -19 8
SINCE SEP 1 7 26 -19 8
SINCE JUL 1 7 29 -22 9
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 93 96 -3 72
SINCE SEP 1 93 96 -3 72
SINCE JAN 1 1021 860 161 993
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 67 1200 PM
AVERAGE 80
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 89 2017
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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