510
CDUS41 KOKX 092038
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
438 PM EDT WED SEP 09 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 9 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 79 159 PM 91 2016 77 2 74
MINIMUM 62 508 AM 45 1986 61 1 53
AVERAGE 71 69 2 64
PRECIPITATION (IN)
TODAY 0.00 0.72 1969 0.11 -0.11 0.00
MONTH TO DATE 1.12 1.01 0.11 1.09
SINCE SEP 1 1.12 1.01 0.11 1.09
SINCE JAN 1 32.75 31.31 1.44 24.87
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 1
MONTH TO DATE 0 2 -2 2
SINCE SEP 1 0 2 -2 2
SINCE JUL 1 0 5 -5 2
COOLING
TODAY 6 5 1 0
MONTH TO DATE 62 50 12 29
SINCE SEP 1 62 50 12 29
SINCE JAN 1 935 814 121 957
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 74 1000 AM
AVERAGE 86
......................................................
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 2026.....SUNRISE 627 AM EDT SUNSET 711 PM EDT
SEPTEMBER 10 2026.....SUNRISE 628 AM EDT SUNSET 710 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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