506  
CDUS41 KOKX 280643  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
243 AM EDT TUE JUL 28 2026  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 27 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 1139 AM 95 2020 83 0 81  
MINIMUM 63 444 AM 55 1975 68 -5 72  
AVERAGE 73 75 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY T 1.85 1984 0.12 -0.12 0.07  
MONTH TO DATE 5.30 2.76 2.54 2.71  
SINCE JUN 1 6.12 6.76 -0.64 4.59  
SINCE JAN 1 21.38 25.56 -4.18 20.32  
 
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 10 30 -20 18  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 8 10 -2 12  
MONTH TO DATE 264 267 -3 356  
SINCE JUN 1 464 419 45 596  
SINCE JAN 1 519 448 71 608    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 62 200 PM  
AVERAGE 78  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 1999  
MINIMUM TEMPERATURE (F) 68 56 1977  
2001  
 
SUNRISE AND SUNSET  
JULY 28 2026..........SUNRISE 545 AM EDT SUNSET 812 PM EDT  
JULY 29 2026..........SUNRISE 546 AM EDT SUNSET 811 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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