647  
CDUS41 KOKX 280642  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
242 AM EDT SAT JUN 28 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 27 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 249 PM 93 2003 81 -7 84  
MINIMUM 65 903 PM 48 1965 65 0 67  
AVERAGE 70 73 -3 76  
 
PRECIPITATION (IN)  
YESTERDAY T 1.60 1968 0.10 -0.10 0.51  
MONTH TO DATE 1.83 3.70 -1.87 2.43  
SINCE JUN 1 1.83 3.70 -1.87 2.43  
SINCE JAN 1 17.56 22.50 -4.94 29.81  
 
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 11.7 31.8 -20.1 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 27 -9 0  
SINCE JUN 1 18 27 -9 0  
SINCE JUL 1 4586 5182 -596 4508  
 
COOLING  
YESTERDAY 5 8 -3 11  
MONTH TO DATE 200 126 74 200  
SINCE JUN 1 200 126 74 200  
SINCE JAN 1 212 155 57 242    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 200 AM  
LOWEST 35 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 2010  
MINIMUM TEMPERATURE (F) 65 50 1995  
 
SUNRISE AND SUNSET  
JUNE 28 2025..........SUNRISE 523 AM EDT SUNSET 828 PM EDT  
JUNE 29 2025..........SUNRISE 524 AM EDT SUNSET 828 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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