904  
CDUS41 KOKX 150618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
218 AM EDT SUN JUN 15 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 14 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 64 1208 AM 92 1988 77 -13 78  
MINIMUM 58 1159 PM 49 1978 61 -3 65  
1979  
AVERAGE 61 69 -8 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.57 0.76 2002 0.15 0.42 0.45  
MONTH TO DATE 1.22 2.10 -0.88 1.90  
SINCE JUN 1 1.22 2.10 -0.88 1.90  
SINCE JAN 1 16.95 20.90 -3.95 29.28  
 
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 4 1 3 0  
MONTH TO DATE 16 24 -8 0  
SINCE JUN 1 16 24 -8 0  
SINCE JUL 1 4584 5179 -595 4508  
 
COOLING  
YESTERDAY 0 4 -4 7  
MONTH TO DATE 58 44 14 69  
SINCE JUN 1 58 44 14 69  
SINCE JAN 1 70 73 -3 111    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 83 800 PM  
AVERAGE 88  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1988  
MINIMUM TEMPERATURE (F) 61 46 1978  
 
SUNRISE AND SUNSET  
JUNE 15 2025..........SUNRISE 520 AM EDT SUNSET 826 PM EDT  
JUNE 16 2025..........SUNRISE 520 AM EDT SUNSET 826 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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