341  
CDUS41 KOKX 210617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT WED AUG 21 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 20 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 73 342 PM 94 1983 81 -8 82  
MINIMUM 57 950 PM 53 2008 66 -9 60  
AVERAGE 65 73 -8 71  
 
PRECIPITATION (IN)  
YESTERDAY T 2.61 2001 0.14 -0.14 0.00  
MONTH TO DATE 6.44 2.82 3.62 4.48  
SINCE JUN 1 11.43 10.08 1.35 13.57  
SINCE JAN 1 38.81 28.88 9.93 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 0 8 -8 6  
MONTH TO DATE 205 189 16 177  
SINCE JUN 1 801 653 148 668  
SINCE JAN 1 843 682 161 692    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 46 400 PM  
AVERAGE 70  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 1995  
MINIMUM TEMPERATURE (F) 66 47 1977  
 
SUNRISE AND SUNSET  
AUGUST 21 2024........SUNRISE 609 AM EDT SUNSET 741 PM EDT  
AUGUST 22 2024........SUNRISE 610 AM EDT SUNSET 740 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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