503  
CDUS41 KOKX 092138  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
438 PM EST SAT DEC 09 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 9 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 56 233 PM 66 1991 46 10 46  
MINIMUM 35 517 AM 8 1968 31 4 35  
AVERAGE 46 39 7 41  
 
PRECIPITATION (IN)  
TODAY 0.00 2.14 2014 0.16 -0.16 0.00  
MONTH TO DATE 1.09 1.40 -0.31 2.25  
SINCE DEC 1 1.09 1.40 -0.31 2.25  
SINCE JAN 1 42.72 42.68 0.04 37.44  
 
SNOWFALL (IN)  
TODAY 0.0 1.3 2017 0.1 -0.1 0.0  
MONTH TO DATE T 0.7 -0.7 0.0  
SINCE DEC 1 T 0.7 -0.7 0.0  
SINCE JUL 1 T 1.2 -1.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 19 26 -7 24  
MONTH TO DATE 197 227 -30 195  
SINCE DEC 1 197 227 -30 195  
SINCE JUL 1 1086 1166 -80 987  
 
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 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 74 300 PM  
AVERAGE 87  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 61 2015  
MINIMUM TEMPERATURE (F) 31 6 1968  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 705 AM EST SUNSET 425 PM EST  
DECEMBER 10 2023......SUNRISE 705 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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