455
CDUS41 KOKX 132043
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
443 PM EDT SAT SEP 13 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 13 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 76 1159 AM 89 2005 76 0 79
MINIMUM 58 540 AM 48 1973 60 -2 57
AVERAGE 67 68 -1 68
PRECIPITATION (IN)
TODAY 0.00 1.82 1971 0.11 -0.11 0.00
MONTH TO DATE 1.10 1.47 -0.37 0.06
SINCE SEP 1 1.10 1.47 -0.37 0.06
SINCE JAN 1 24.88 31.77 -6.89 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 1 -1 0
MONTH TO DATE 2 6 -4 5
SINCE SEP 1 2 6 -4 5
SINCE JUL 1 2 9 -7 6
COOLING
TODAY 2 4 -2 3
MONTH TO DATE 44 67 -23 30
SINCE SEP 1 44 67 -23 30
SINCE JAN 1 972 831 141 951
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 15 900 AM
AVERAGE 54
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 86 1976
MINIMUM TEMPERATURE (F) 60 41 1975
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 631 AM EDT SUNSET 704 PM EDT
SEPTEMBER 14 2025.....SUNRISE 632 AM EDT SUNSET 703 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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