823
CDUS41 KOKX 092044
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
444 PM EDT TUE SEP 09 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 9 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 74 222 PM 91 2016 77 -3 76
MINIMUM 53 538 AM 45 1986 61 -8 50
AVERAGE 64 69 -5 63
PRECIPITATION (IN)
TODAY 0.00 0.72 1969 0.11 -0.11 0.00
MONTH TO DATE 1.09 1.01 0.08 0.06
SINCE SEP 1 1.09 1.01 0.08 0.06
SINCE JAN 1 24.87 31.31 -6.44 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 1 1 0 2
MONTH TO DATE 2 2 0 5
SINCE SEP 1 2 2 0 5
SINCE JUL 1 2 5 -3 6
COOLING
TODAY 0 5 -5 0
MONTH TO DATE 29 50 -21 23
SINCE SEP 1 29 50 -21 23
SINCE JAN 1 957 814 143 944
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 10.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 600 AM
LOWEST 48 100 PM
AVERAGE 69
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 1983
MINIMUM TEMPERATURE (F) 61 39 1975
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 627 AM EDT SUNSET 711 PM EDT
SEPTEMBER 10 2025.....SUNRISE 628 AM EDT SUNSET 709 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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