775  
CDUS41 KOKX 100618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
118 AM EST SUN DEC 10 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 9 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 56 233 PM 66 1991 46 10 46  
MINIMUM 35 517 AM 8 1968 31 4 35  
AVERAGE 46 39 7 41  
 
PRECIPITATION (IN)  
YESTERDAY T 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)  
YESTERDAY 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  
YESTERDAY 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  
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 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 74 300 PM  
AVERAGE 87  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 61 2015  
MINIMUM TEMPERATURE (F) 31 6 1968  
 
SUNRISE AND SUNSET  
DECEMBER 10 2023......SUNRISE 705 AM EST SUNSET 425 PM EST  
DECEMBER 11 2023......SUNRISE 706 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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