655  
CDUS41 KOKX 120619  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
219 AM EDT SAT JUL 12 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 11 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 79 333 PM 94 1966 83 -4 86  
MINIMUM 72 550 AM 53 2009 67 5 73  
AVERAGE 76 75 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 1965 0.10 -0.10 0.19  
1973  
MONTH TO DATE 1.72 1.04 0.68 0.31  
SINCE JUN 1 3.60 5.04 -1.44 2.75  
SINCE JAN 1 19.33 23.84 -4.51 30.13  
 
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 18 30 -12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 10 1 15  
MONTH TO DATE 146 105 41 130  
SINCE JUN 1 386 257 129 348  
SINCE JAN 1 398 286 112 390    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 100 AM  
LOWEST 74 200 PM  
AVERAGE 83  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 1966  
MINIMUM TEMPERATURE (F) 67 55 2002  
 
SUNRISE AND SUNSET  
JULY 12 2025..........SUNRISE 532 AM EDT SUNSET 824 PM EDT  
JULY 13 2025..........SUNRISE 533 AM EDT SUNSET 824 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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