169
CDUS41 KOKX 270618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
218 AM EDT SUN SEP 27 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 26 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 1246 PM 85 1970 71 -9 85
2025
MINIMUM 55 1246 AM 40 1963 55 0 66
1987
AVERAGE 59 63 -4 76
PRECIPITATION (IN)
YESTERDAY 1.40 2.39 2008 0.12 1.28 0.00
MONTH TO DATE 6.37 3.08 3.29 1.54
SINCE SEP 1 6.37 3.08 3.29 1.54
SINCE JAN 1 38.00 33.38 4.62 25.32
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 6 4 2 0
MONTH TO DATE 22 36 -14 7
SINCE SEP 1 22 36 -14 7
SINCE JUL 1 22 39 -17 7
COOLING
YESTERDAY 0 2 -2 11
MONTH TO DATE 111 102 9 123
SINCE SEP 1 111 102 9 123
SINCE JAN 1 984 866 118 1051
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WIND (MPH)
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 27.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 80 1200 AM
AVERAGE 87
......................................................
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 2026.....SUNRISE 645 AM EDT SUNSET 641 PM EDT
SEPTEMBER 28 2026.....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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