905  
CDUS41 KOKX 260617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
117 AM EST TUE DEC 26 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 25 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 53 210 PM 65 2015 42 11 28  
MINIMUM 37 1142 PM 3 1983 28 9 14  
AVERAGE 45 35 10 21  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.29 2002 0.15 -0.15 0.00  
MONTH TO DATE 5.47 3.87 1.60 3.93  
SINCE DEC 1 5.47 3.87 1.60 3.93  
SINCE JAN 1 47.10 45.15 1.95 39.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 2002 0.3 -0.3 0.0  
MONTH TO DATE T 3.2 -3.2 0.4  
SINCE DEC 1 T 3.2 -3.2 0.4  
SINCE JUL 1 T 3.7 -3.7 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 30 -10 44  
MONTH TO DATE 574 680 -106 695  
SINCE DEC 1 574 680 -106 695  
SINCE JUL 1 1463 1619 -156 1487  
 
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 N (340)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 80 200 PM  
AVERAGE 90  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 64 1982  
MINIMUM TEMPERATURE (F) 28 5 1968  
1983  
 
SUNRISE AND SUNSET  
DECEMBER 26 2023......SUNRISE 715 AM EST SUNSET 431 PM EST  
DECEMBER 27 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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