990  
CDUS41 KOKX 172139  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
538 PM EDT FRI AUG 17 2018  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 17 2018
 
 
VALID TODAY AS OF 0500 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 86 1039 AM 91 1997 81 5 80  
MINIMUM 73 516 AM 54 1979 66 7 66  
AVERAGE 80 73 7 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1992 0.13 -0.13 0.00  
MONTH TO DATE 4.96 2.21 2.75 0.85  
SINCE JUN 1 11.75 9.91 1.84 6.53  
SINCE JAN 1 37.22 29.37 7.85 25.47  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE OCT 1 65.9 24.8 41.1 39.3  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 38 40 -2 42  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
TODAY 15 8 7 8  
MONTH TO DATE 237 148 89 148  
SINCE JUN 1 715 564 151 626  
SINCE JAN 1 763 588 175 665    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 70 200 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 92 2002  
MINIMUM TEMPERATURE (F) 65 52 1979  
 
 
SUNRISE AND SUNSET  
AUGUST 17 2018........SUNRISE 605 AM EDT SUNSET 748 PM EDT  
AUGUST 18 2018........SUNRISE 605 AM EDT SUNSET 746 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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