549  
CDUS41 KOKX 270618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
218 AM EDT SUN JUL 27 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 26 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 84 1146 AM 93 2005 83 1 83  
MINIMUM 72 1159 PM 55 1978 68 4 62  
AVERAGE 78 76 2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.41 2000 0.11 -0.11 0.00  
MONTH TO DATE 2.64 2.64 0.00 1.60  
SINCE JUN 1 4.52 6.64 -2.12 4.04  
SINCE JAN 1 20.25 25.44 -5.19 31.42  
 
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 18 30 -12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 10 3 8  
MONTH TO DATE 344 257 87 321  
SINCE JUN 1 584 409 175 539  
SINCE JAN 1 596 438 158 581    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1200 AM  
LOWEST 41 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2020  
MINIMUM TEMPERATURE (F) 68 55 1975  
 
SUNRISE AND SUNSET  
JULY 27 2025..........SUNRISE 544 AM EDT SUNSET 813 PM EDT  
JULY 28 2025..........SUNRISE 545 AM EDT SUNSET 812 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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