698  
CDUS41 KOKX 300642  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
142 AM EST MON DEC 30 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 29 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 56 1133 PM 65 1984 41 15 54  
MINIMUM 47 655 AM 11 1963 27 20 44  
2017  
AVERAGE 52 34 18 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.56 2013 0.13 0.03 T  
MONTH TO DATE 5.28 4.43 0.85 8.56  
SINCE DEC 1 5.28 4.43 0.85 8.56  
SINCE JAN 1 47.85 45.71 2.14 50.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.1 1987 0.2 -0.2 0.0  
MONTH TO DATE 2.1 4.0 -1.9 T  
SINCE DEC 1 2.1 4.0 -1.9 T  
SINCE JUL 1 2.1 4.5 -2.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 31 -18 16  
MONTH TO DATE 839 802 37 648  
SINCE DEC 1 839 802 37 648  
SINCE JUL 1 1529 1741 -212 1537  
 
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 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 83 400 PM  
AVERAGE 92  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 60 1984  
MINIMUM TEMPERATURE (F) 27 1 1963  
 
SUNRISE AND SUNSET  
DECEMBER 30 2024......SUNRISE 716 AM EST SUNSET 434 PM EST  
DECEMBER 31 2024......SUNRISE 717 AM EST SUNSET 435 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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