094
CDUS41 KOKX 090643
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
243 AM EDT TUE SEP 09 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 8 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 74 400 PM 91 2015 77 -3 70
MINIMUM 56 1150 PM 47 1984 62 -6 53
AVERAGE 65 70 -5 62
PRECIPITATION (IN)
YESTERDAY 0.00 2.40 2004 0.11 -0.11 0.00
MONTH TO DATE 1.09 0.90 0.19 0.06
SINCE SEP 1 1.09 0.90 0.19 0.06
SINCE JAN 1 24.87 31.20 -6.33 38.93
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 1 -1 3
MONTH TO DATE 1 1 0 3
SINCE SEP 1 1 1 0 3
SINCE JUL 1 1 4 -3 4
COOLING
YESTERDAY 0 5 -5 0
MONTH TO DATE 29 45 -16 23
SINCE SEP 1 29 45 -16 23
SINCE JAN 1 957 809 148 944
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1200 AM
LOWEST 38 400 PM
AVERAGE 59
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2016
MINIMUM TEMPERATURE (F) 61 45 1986
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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