592  
CDUS41 KOKX 180621  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK NY  
221 AM EDT WED JUL 18 2018  
 
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 17 2018
 
 
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)  
YESTERDAY  
MAXIMUM 82 1246 PM 94 1997 82 0 82  
MINIMUM 70 1120 PM 56 1966 66 4 70  
AVERAGE 76 74 2 76  
 
PRECIPITATION (IN)  
YESTERDAY 1.34R 0.87 1989 0.12 1.22 0.00  
MONTH TO DATE 1.51 1.78 -0.27 1.22  
SINCE JUN 1 5.32 6.05 -0.73 4.79  
SINCE JAN 1 30.79 25.51 5.28 23.73  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 38 38 0 42  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 9 2 11  
MONTH TO DATE 190 146 44 180  
SINCE JUN 1 335 286 49 343  
SINCE JAN 1 383 310 73 382    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 PM  
LOWEST 85 800 AM  
AVERAGE 93  
   
......................................................
 
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1999  
MINIMUM TEMPERATURE (F) 66 58 1971  
 
 
SUNRISE AND SUNSET  
JULY 18 2018..........SUNRISE 536 AM EDT SUNSET 821 PM EDT  
JULY 19 2018..........SUNRISE 537 AM EDT SUNSET 820 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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