270
CDUS41 KOKX 202144
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
444 PM EST FRI DEC 20 2024
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 20 2024
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 40 302 PM 58 1999 43 -3 44
2002
MINIMUM 35 601 AM 7 1963 29 6 30
AVERAGE 38 36 2 37
PRECIPITATION (IN)
TODAY 0.05 1.34 1995 0.15 -0.10 0.00
MONTH TO DATE 4.52 3.12 1.40 5.47
SINCE DEC 1 4.52 3.12 1.40 5.47
SINCE JAN 1 47.09 44.40 2.69 47.10
SNOWFALL (IN)
TODAY T 14.3 2009 0.1 -0.1 0.0
MONTH TO DATE T 2.2 -2.2 T
SINCE DEC 1 T 2.2 -2.2 T
SINCE JUL 1 T 2.7 -2.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 27 29 -2 28
MONTH TO DATE 540 532 8 438
SINCE DEC 1 540 532 8 438
SINCE JUL 1 1230 1471 -241 1327
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1012 885 127 955
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 100 PM
LOWEST 64 100 AM
AVERAGE 78
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 60 2018
MINIMUM TEMPERATURE (F) 29 9 2004
SUNRISE AND SUNSET
DECEMBER 20 2024......SUNRISE 713 AM EST SUNSET 428 PM EST
DECEMBER 21 2024......SUNRISE 713 AM EST SUNSET 428 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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