300
CDUS41 KOKX 112041
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
441 PM EDT SUN MAY 11 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 11 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 78 123 PM 83 1965 67 11 58
2001
MINIMUM 50 514 AM 34 1966 49 1 45
AVERAGE 64 58 6 52
PRECIPITATION (IN)
TODAY 0.00 0.71 1967 0.10 -0.10 0.00
MONTH TO DATE 1.71 1.17 0.54 1.40
SINCE MAR 1 8.45 9.74 -1.29 14.39
SINCE JAN 1 12.77 16.69 -3.92 24.11
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 MAR 1 0.0 7.1 -7.1 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 1 7 -6 13
MONTH TO DATE 30 96 -66 86
SINCE MAR 1 1003 1336 -333 1111
SINCE JUL 1 4485 5055 -570 4450
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE MAR 1 2 2 0 5
SINCE JAN 1 2 2 0 5
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 300 AM
LOWEST 19 300 PM
AVERAGE 47
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1991
MINIMUM TEMPERATURE (F) 50 37 1969
1983
1990
SUNRISE AND SUNSET
MAY 11 2025...........SUNRISE 539 AM EDT SUNSET 759 PM EDT
MAY 12 2025...........SUNRISE 538 AM EDT SUNSET 800 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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