682  
CDUS41 KOKX 180639  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
239 AM EDT THU APR 18 2019  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 1112 AM 94 2002 58 0 50  
MINIMUM 46 446 AM 30 2005 41 5 38  
1971  
AVERAGE 52 50 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.00 1986 0.14 -0.12 T  
MONTH TO DATE 2.55 2.55 0.00 3.05  
SINCE MAR 1 5.74 6.99 -1.25 10.72  
SINCE JAN 1 13.29 13.89 -0.60 20.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE T 0.5 -0.5 4.6  
SINCE OCT 1 12.8 24.7 -11.9 65.9  
SINCE JUL 1 12.8 24.7 -11.9 65.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 15 -2 21  
MONTH TO DATE 261 306 -45 366  
SINCE MAR 1 1069 1103 -34 1195  
SINCE JUL 1 4752 4998 -246 4695  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 30 900 AM  
AVERAGE 58  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 89 2002  
MINIMUM TEMPERATURE (F) 41 31 1980  
 
 
SUNRISE AND SUNSET  
APRIL 18 2019.........SUNRISE 609 AM EDT SUNSET 735 PM EDT  
APRIL 19 2019.........SUNRISE 608 AM EDT SUNSET 736 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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