647  
CDUS41 KOKX 152134  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
434 PM EST SUN DEC 15 2024  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 15 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 42 122 PM 62 2015 45 -3 56  
MINIMUM 20 140 AM 11 1968 30 -10 32  
AVERAGE 31 37 -6 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.55 2013 0.16 -0.16 0.00  
MONTH TO DATE 2.43 2.35 0.08 3.67  
SINCE DEC 1 2.43 2.35 0.08 3.67  
SINCE JAN 1 45.00 43.63 1.37 45.30  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 1968 0.2 -0.2 0.0  
MONTH TO DATE T 1.5 -1.5 T  
SINCE DEC 1 T 1.5 -1.5 T  
SINCE JUL 1 T 2.0 -2.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 28 6 21  
MONTH TO DATE 431 390 41 334  
SINCE DEC 1 431 390 41 334  
SINCE JUL 1 1121 1329 -208 1223  
 
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 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 100 AM  
LOWEST 55 100 PM  
AVERAGE 68  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 64 1971  
MINIMUM TEMPERATURE (F) 30 10 1968  
1988  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 710 AM EST SUNSET 426 PM EST  
DECEMBER 16 2024......SUNRISE 711 AM EST SUNSET 426 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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