613  
CDUS41 KOKX 092143  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
442 PM EST SUN DEC 9 2018  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 9 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 35 250 PM 66 1991 45 -10 38  
MINIMUM 21 738 AM 8 1968 30 -9 32  
AVERAGE 28 38 -10 35  
 
PRECIPITATION (IN)  
TODAY 0.00 2.14 2014 0.14 -0.14 0.31  
MONTH TO DATE 1.18 1.26 -0.08 0.85  
SINCE DEC 1 1.18 1.26 -0.08 0.85  
SINCE JAN 1 58.85 43.44 15.41 42.17  
 
SNOWFALL (IN)  
TODAY 0.0 1.3 2017 0.1 -0.1 1.3  
MONTH TO DATE T 0.9 -0.9 1.3  
SINCE OCT 1 4.3 1.4 2.9 1.3  
SINCE JUL 1 4.3 1.4 2.9 1.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 37 27 10 30  
MONTH TO DATE 258 234 24 206  
SINCE DEC 1 258 234 24 206  
SINCE JUL 1 1225 1250 -25 957  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1115 787 328 972    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 2.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 47 1200 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 61 2015  
MINIMUM TEMPERATURE (F) 30 6 1968  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2018......SUNRISE 705 AM EST SUNSET 425 PM EST  
DECEMBER 10 2018......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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