954  
CDUS41 KOKX 140618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
218 AM EDT SAT JUN 14 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 13 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 77 1156 AM 93 2017 77 0 80  
MINIMUM 63 1158 PM 49 1976 60 3 59  
AVERAGE 70 68 2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.98 1998 0.15 -0.15 0.00  
MONTH TO DATE 0.65 1.95 -1.30 1.45  
SINCE JUN 1 0.65 1.95 -1.30 1.45  
SINCE JAN 1 16.38 20.75 -4.37 28.83  
 
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 1 -1 0  
MONTH TO DATE 12 23 -11 0  
SINCE JUN 1 12 23 -11 0  
SINCE JUL 1 4580 5178 -598 4508  
 
COOLING  
YESTERDAY 5 4 1 5  
MONTH TO DATE 58 40 18 62  
SINCE JUN 1 58 40 18 62  
SINCE JAN 1 70 69 1 104    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1100 PM  
LOWEST 40 100 PM  
AVERAGE 59  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1988  
MINIMUM TEMPERATURE (F) 61 49 1978  
1979  
 
SUNRISE AND SUNSET  
JUNE 14 2025..........SUNRISE 520 AM EDT SUNSET 825 PM EDT  
JUNE 15 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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