843  
CDUS41 KOKX 150620  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
220 AM EDT TUE AUG 15 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 14 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 240 PM 97 2016 82 3 82  
MINIMUM 67 443 AM 50 1964 66 1 59  
AVERAGE 76 74 2 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.32 2011 0.15 -0.15 0.00  
MONTH TO DATE 2.86 1.99 0.87 0.35  
SINCE JUN 1 11.95 9.25 2.70 4.43  
SINCE JAN 1 28.30 28.05 0.25 24.13  
 
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 0.0  
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 28 31 -3 10  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 11 9 2 6  
MONTH TO DATE 131 136 -5 196  
SINCE JUN 1 622 600 22 717  
SINCE JAN 1 646 629 17 768    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1000 PM  
LOWEST 48 100 PM  
AVERAGE 68  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 90 2016  
MINIMUM TEMPERATURE (F) 66 48 1964  
 
SUNRISE AND SUNSET  
AUGUST 15 2023........SUNRISE 602 AM EDT SUNSET 751 PM EDT  
AUGUST 16 2023........SUNRISE 603 AM EDT SUNSET 749 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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