326  
CDUS41 KOKX 122037  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
437 PM EDT TUE AUG 12 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 12 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 1045 AM 90 2016 82 5 80  
2021  
MINIMUM 68 507 AM 50 1968 67 1 61  
AVERAGE 78 74 4 71  
 
PRECIPITATION (IN)  
TODAY 0.00 2.26 1978 0.13 -0.13 0.13  
MONTH TO DATE 0.04 1.70 -1.66 4.43  
SINCE JUN 1 7.56 8.96 -1.40 9.42  
SINCE JAN 1 23.29 27.76 -4.47 36.80  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 18 31 -13 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 13 9 4 6  
MONTH TO DATE 101 118 -17 139  
SINCE JUN 1 770 582 188 735  
SINCE JAN 1 782 611 171 777    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 50 1000 AM  
AVERAGE 72  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2016  
MINIMUM TEMPERATURE (F) 67 54 2006  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 600 AM EDT SUNSET 754 PM EDT  
AUGUST 13 2025........SUNRISE 601 AM EDT SUNSET 753 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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