399  
CDUS41 KOKX 010656  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
156 AM EST WED JAN 01 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 31 2024  
 
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)  
YESTERDAY  
MAXIMUM 53 1215 PM 59 1965 41 12 42  
1992  
MINIMUM 33 706 AM -1 1963 27 6 34  
AVERAGE 43 34 9 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.53 1.26 2018 0.14 0.39 0.00  
MONTH TO DATE 6.23 4.71 1.52 8.56  
SINCE DEC 1 6.23 4.71 1.52 8.56  
SINCE JAN 1 48.80 45.99 2.81 50.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1967 0.2 -0.2 0.0  
MONTH TO DATE 2.1 4.5 -2.4 T  
SINCE DEC 1 2.1 4.5 -2.4 T  
SINCE JUL 1 2.1 5.0 -2.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 31 -9 27  
MONTH TO DATE 873 864 9 698  
SINCE DEC 1 873 864 9 698  
SINCE JUL 1 1563 1803 -240 1587  
 
COOLING  
YESTERDAY 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 26 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 46 1200 PM  
AVERAGE 70  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 63 1966  
MINIMUM TEMPERATURE (F) 27 6 2018  
 
SUNRISE AND SUNSET  
JANUARY 1 2025.......SUNRISE 717 AM EST SUNSET 436 PM EST  
JANUARY 2 2025.......SUNRISE 717 AM EST SUNSET 437 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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