648  
CDUS41 KOKX 240617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
117 AM EST SUN DEC 24 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 23 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 43 345 PM 64 2015 43 0 58  
MINIMUM 22 421 AM 8 1989 28 -6 10  
AVERAGE 33 35 -2 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.63 2015 0.15 -0.15 0.15  
MONTH TO DATE 5.47 3.58 1.89 3.93  
SINCE DEC 1 5.47 3.58 1.89 3.93  
SINCE JAN 1 47.10 44.86 2.24 39.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1963 0.1 -0.1 0.0  
MONTH TO DATE T 2.7 -2.7 0.4  
SINCE DEC 1 T 2.7 -2.7 0.4  
SINCE JUL 1 T 3.2 -3.2 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 30 2 31  
MONTH TO DATE 534 620 -86 598  
SINCE DEC 1 534 620 -86 598  
SINCE JUL 1 1423 1559 -136 1390  
 
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 7 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 800 AM  
LOWEST 60 1200 PM  
AVERAGE 75  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 64 2015  
MINIMUM TEMPERATURE (F) 28 6 1983  
 
SUNRISE AND SUNSET  
DECEMBER 24 2023......SUNRISE 714 AM EST SUNSET 429 PM EST  
DECEMBER 25 2023......SUNRISE 715 AM EST SUNSET 430 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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