741  
CDUS41 KOKX 190619  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
219 AM EDT MON AUG 19 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 18 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 344 PM 92 2002 81 -4 82  
MINIMUM 69 456 AM 52 1979 66 3 65  
AVERAGE 73 74 -1 74  
 
PRECIPITATION (IN)  
YESTERDAY 1.44 1.91 2017 0.14 1.30 0.08  
MONTH TO DATE 5.91 2.54 3.37 4.48  
SINCE JUN 1 10.90 9.80 1.10 13.57  
SINCE JAN 1 38.28 28.60 9.68 29.92  
 
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 JUN 1 0.0 0.0 0.0 T  
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 0 31 -31 28  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 8 9 -1 9  
MONTH TO DATE 194 172 22 167  
SINCE JUN 1 790 636 154 658  
SINCE JAN 1 832 665 167 682    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 AM  
LOWEST 81 100 AM  
AVERAGE 89  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 2002  
MINIMUM TEMPERATURE (F) 66 54 1968  
 
SUNRISE AND SUNSET  
AUGUST 19 2024........SUNRISE 607 AM EDT SUNSET 744 PM EDT  
AUGUST 20 2024........SUNRISE 608 AM EDT SUNSET 743 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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