160  
CDUS41 KOKX 202137  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
435 PM EST MON NOV 20 2017  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 20 2017
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 48 203 PM 66 1985 52 -4 53  
MINIMUM 35 638 AM 21 1986 36 -1 34  
AVERAGE 42 44 -2 44  
 
PRECIPITATION (IN)  
TODAY T 2.63 1988 0.12 -0.12 0.28  
MONTH TO DATE 1.51 2.36 -0.85 0.86  
SINCE SEP 1 12.17 9.73 2.44 6.82  
SINCE JAN 1 40.52 40.87 -0.35 29.26  
 
SNOWFALL (IN)  
TODAY T MM MM 0.1 -0.1 T  
MONTH TO DATE T 0.2 -0.2 T  
SINCE OCT 1 T 0.2 -0.2 T  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 21 2 21  
MONTH TO DATE 359 366 -7 304  
SINCE SEP 1 528 781 -253 581  
SINCE JUL 1 528 786 -258 581  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE SEP 1 204 101 103 177  
SINCE JAN 1 972 787 185 1124    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 100 AM  
LOWEST 37 200 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 65 1991  
MINIMUM TEMPERATURE (F) 36 18 1987  
 
 
SUNRISE AND SUNSET  
NOVEMBER 20 2017......SUNRISE 645 AM EST SUNSET 430 PM EST  
NOVEMBER 21 2017......SUNRISE 647 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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