557  
CDUS41 KOKX 122142  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
442 PM EST TUE DEC 12 2023  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 12 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 44 206 PM 68 2015 45 -1 39  
MINIMUM 30 723 AM 7 1988 31 -1 29  
AVERAGE 37 38 -1 34  
 
PRECIPITATION (IN)  
TODAY 0.00 2.44 2010 0.16 -0.16 0.05  
MONTH TO DATE 3.67 1.88 1.79 2.42  
SINCE DEC 1 3.67 1.88 1.79 2.42  
SINCE JAN 1 45.30 43.16 2.14 37.61  
 
SNOWFALL (IN)  
TODAY 0.0 2.4 1982 0.2 -0.2 0.4  
MONTH TO DATE T 1.1 -1.1 0.4  
SINCE DEC 1 T 1.1 -1.1 0.4  
SINCE JUL 1 T 1.6 -1.6 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 28 27 1 31  
MONTH TO DATE 255 307 -52 282  
SINCE DEC 1 255 307 -52 282  
SINCE JUL 1 1144 1246 -102 1074  
 
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 W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 800 AM  
LOWEST 43 100 PM  
AVERAGE 55  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 68 2015  
MINIMUM TEMPERATURE (F) 30 5 1982  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 707 AM EST SUNSET 425 PM EST  
DECEMBER 13 2023......SUNRISE 708 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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