127  
CDUS41 KOKX 250620  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
120 AM EST MON DEC 25 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 24 2023
 
 
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)  
YESTERDAY  
MAXIMUM 50 225 PM 64 2015 42 8 16  
MINIMUM 39 555 AM 6 1983 28 11 8  
AVERAGE 45 35 10 12  
 
PRECIPITATION (IN)  
YESTERDAY T 1.00 2014 0.14 -0.14 0.00  
MONTH TO DATE 5.47 3.72 1.75 3.93  
SINCE DEC 1 5.47 3.72 1.75 3.93  
SINCE JAN 1 47.10 45.00 2.10 39.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1966 0.2 -0.2 0.0  
MONTH TO DATE T 2.9 -2.9 0.4  
SINCE DEC 1 T 2.9 -2.9 0.4  
SINCE JUL 1 T 3.4 -3.4 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 30 -10 53  
MONTH TO DATE 554 650 -96 651  
SINCE DEC 1 554 650 -96 651  
SINCE JUL 1 1443 1589 -146 1443  
 
COOLING  
YESTERDAY 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 10 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 79 100 AM  
AVERAGE 88  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 65 2015  
MINIMUM TEMPERATURE (F) 28 3 1983  
 
SUNRISE AND SUNSET  
DECEMBER 25 2023......SUNRISE 715 AM EST SUNSET 430 PM EST  
DECEMBER 26 2023......SUNRISE 715 AM EST SUNSET 431 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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