873
CDUS41 KOKX 132034
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
434 PM EDT MON APR 13 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 13 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 61 102 PM 84 2023 57 4 57
MINIMUM 48 308 AM 27 1990 40 8 39
AVERAGE 55 49 6 48
PRECIPITATION (IN)
TODAY T 3.69 2004 0.14 -0.14 0.12
MONTH TO DATE 0.27 1.79 -1.52 1.39
SINCE MAR 1 4.46 6.30 -1.84 6.15
SINCE JAN 1 10.70 13.25 -2.55 10.47
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 0.0
SINCE MAR 1 0.2 7.0 -6.8 0.0
SINCE JUL 1 61.8 31.7 30.1 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 16 -6 17
MONTH TO DATE 228 238 -10 235
SINCE MAR 1 945 1018 -73 849
SINCE JUL 1 4801 4737 64 4331
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 700 AM
LOWEST 56 1200 AM
AVERAGE 73
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 84 2023
MINIMUM TEMPERATURE (F) 41 28 1975
2000
SUNRISE AND SUNSET
APRIL 13 2026.........SUNRISE 617 AM EDT SUNSET 730 PM EDT
APRIL 14 2026.........SUNRISE 615 AM EDT SUNSET 731 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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