987  
CDUS41 KOKX 230618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
118 AM EST MON DEC 23 2024  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 22 2024  
 
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)  
YESTERDAY  
MAXIMUM 22 1203 AM 61 2013 43 -21 37  
MINIMUM 14 1159 PM 9 1989 28 -14 24  
AVERAGE 18 36 -18 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 1969 0.16 -0.16 0.00  
MONTH TO DATE 4.61 3.43 1.18 5.47  
SINCE DEC 1 4.61 3.43 1.18 5.47  
SINCE JAN 1 47.18 44.71 2.47 47.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.0 1975 0.2 -0.2 0.0  
MONTH TO DATE 2.0 2.6 -0.6 T  
SINCE DEC 1 2.0 2.6 -0.6 T  
SINCE JUL 1 2.0 3.1 -1.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 29 18 34  
MONTH TO DATE 626 590 36 502  
SINCE DEC 1 626 590 36 502  
SINCE JUL 1 1316 1529 -213 1391  
 
COOLING  
YESTERDAY 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 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 1100 PM  
LOWEST 47 200 PM  
AVERAGE 57  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 64 2015  
MINIMUM TEMPERATURE (F) 28 8 1989  
 
SUNRISE AND SUNSET  
DECEMBER 23 2024......SUNRISE 714 AM EST SUNSET 429 PM EST  
DECEMBER 24 2024......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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