183  
CDUS41 KOKX 260632  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
232 AM EDT SAT JUL 26 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 25 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 93 143 PM 94 1987 83 10 85  
MINIMUM 75 518 AM 55 2002 68 7 69  
AVERAGE 84 76 8 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.26 1975 0.11 -0.07 0.00  
MONTH TO DATE 2.64 2.53 0.11 1.60  
SINCE JUN 1 4.52 6.53 -2.01 4.04  
SINCE JAN 1 20.25 25.33 -5.08 31.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1999 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 MM  
 
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 19 10 9 12  
MONTH TO DATE 331 247 84 313  
SINCE JUN 1 571 399 172 531  
SINCE JAN 1 583 428 155 573    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 800 PM  
LOWEST 57 200 PM  
AVERAGE 74  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 93 2005  
MINIMUM TEMPERATURE (F) 68 55 1978  
 
SUNRISE AND SUNSET  
JULY 26 2025..........SUNRISE 544 AM EDT SUNSET 814 PM EDT  
JULY 27 2025..........SUNRISE 544 AM EDT SUNSET 813 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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