629
CDUS41 KOKX 280635
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
235 AM EDT SUN SEP 28 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 27 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 82 1207 PM 86 1998 71 11 74
2017
MINIMUM 63 557 AM 38 1965 55 8 63
AVERAGE 73 63 10 69
PRECIPITATION (IN)
YESTERDAY 0.03 1.25 1975 0.12 -0.09 0.02
MONTH TO DATE 1.57 3.20 -1.63 0.11
SINCE SEP 1 1.57 3.20 -1.63 0.11
SINCE JAN 1 25.35 33.50 -8.15 38.98
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 40 -33 15
SINCE SEP 1 7 40 -33 15
SINCE JUL 1 7 43 -36 16
COOLING
YESTERDAY 8 2 6 4
MONTH TO DATE 131 104 27 80
SINCE SEP 1 131 104 27 80
SINCE JAN 1 1059 868 191 1001
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 45 1200 PM
AVERAGE 69
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 80 2015
MINIMUM TEMPERATURE (F) 54 38 1989
SUNRISE AND SUNSET
SEPTEMBER 28 2025.....SUNRISE 646 AM EDT SUNSET 639 PM EDT
SEPTEMBER 29 2025.....SUNRISE 647 AM EDT SUNSET 637 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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