532  
CDUS41 KOKX 011330  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
930 AM EDT TUE JUL 01 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 30 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 89 1100 AM 93 2012 81 8 83  
MINIMUM 69 438 AM 55 1981 65 4 69  
1988  
AVERAGE 79 73 6 76  
 
PRECIPITATION (IN)  
YESTERDAY T 1.08 1990 0.10 -0.10 0.01  
MONTH TO DATE 1.88 4.00 -2.12 2.44  
SINCE JUN 1 1.88 4.00 -2.12 2.44  
SINCE JAN 1 17.61 22.80 -5.19 29.82  
 
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 11.7 31.8 -20.1 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 27 -9 0  
SINCE JUN 1 18 27 -9 0  
SINCE JUL 1 4586 5182 -596 4508  
 
COOLING  
YESTERDAY 14 8 6 11  
MONTH TO DATE 240 152 88 218  
SINCE JUN 1 240 152 88 218  
SINCE JAN 1 252 181 71 260    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1000 PM  
LOWEST 53 1000 AM  
AVERAGE 74  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1964  
MINIMUM TEMPERATURE (F) 66 50 1988  
 
SUNRISE AND SUNSET  
JULY 1 2025..........SUNRISE 525 AM EDT SUNSET 828 PM EDT  
JULY 2 2025..........SUNRISE 525 AM EDT SUNSET 827 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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