214  
CDUS41 KOKX 132143  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
443 PM EST WED DEC 13 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 13 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 47 1203 PM 68 2015 45 2 43  
MINIMUM 32 737 AM 5 1982 30 2 26  
AVERAGE 40 38 2 35  
 
PRECIPITATION (IN)  
TODAY 0.00 1.53 1988 0.16 -0.16 0.00  
MONTH TO DATE 3.67 2.04 1.63 2.42  
SINCE DEC 1 3.67 2.04 1.63 2.42  
SINCE JAN 1 45.30 43.32 1.98 37.61  
 
SNOWFALL (IN)  
TODAY 0.0 9.2 1988 0.1 -0.1 0.0  
MONTH TO DATE T 1.2 -1.2 0.4  
SINCE DEC 1 T 1.2 -1.2 0.4  
SINCE JUL 1 T 1.7 -1.7 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 27 -2 30  
MONTH TO DATE 280 334 -54 312  
SINCE DEC 1 280 334 -54 312  
SINCE JUL 1 1169 1273 -104 1104  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 955 885 70 1136    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 800 AM  
LOWEST 37 300 PM  
AVERAGE 56  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 62 2015  
MINIMUM TEMPERATURE (F) 30 5 1982  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 708 AM EST SUNSET 425 PM EST  
DECEMBER 14 2023......SUNRISE 709 AM EST SUNSET 425 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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