397
CDUS41 KOKX 270625
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
225 AM EDT SAT SEP 27 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 26 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 85R 257 PM 85 1970 71 14 72
MINIMUM 66 459 AM 40 1963 55 11 65
1987
AVERAGE 76 63 13 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.39 2008 0.12 -0.12 0.03
MONTH TO DATE 1.54 3.08 -1.54 0.09
SINCE SEP 1 1.54 3.08 -1.54 0.09
SINCE JAN 1 25.32 33.38 -8.06 38.96
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 4 -4 0
MONTH TO DATE 7 36 -29 15
SINCE SEP 1 7 36 -29 15
SINCE JUL 1 7 39 -32 16
COOLING
YESTERDAY 11 2 9 4
MONTH TO DATE 123 102 21 76
SINCE SEP 1 123 102 21 76
SINCE JAN 1 1051 866 185 997
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 41 200 PM
AVERAGE 67
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 86 1998
2017
MINIMUM TEMPERATURE (F) 55 38 1965
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 645 AM EDT SUNSET 641 PM EDT
SEPTEMBER 28 2025.....SUNRISE 646 AM EDT SUNSET 639 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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