598  
CDUS41 KOKX 100617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT WED JUN 10 2026  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JUNE 9 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 234 PM 95 2008 75 1 65  
MINIMUM 55 458 AM 48 1975 59 -4 61  
1988  
1997  
AVERAGE 66 67 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.59 1989 0.15 -0.15 0.01  
MONTH TO DATE 0.07 1.34 -1.27 0.33  
SINCE JUN 1 0.07 1.34 -1.27 0.33  
SINCE JAN 1 15.33 20.14 -4.81 16.06  
 
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 61.8 31.8 30.0 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 10 19 -9 12  
SINCE JUN 1 10 19 -9 12  
SINCE JUL 1 5205 5174 31 4580  
 
COOLING  
YESTERDAY 1 3 -2 0  
MONTH TO DATE 31 24 7 31  
SINCE JUN 1 31 24 7 31  
SINCE JAN 1 86 53 33 43    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1000 PM  
LOWEST 28 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1974  
2008  
MINIMUM TEMPERATURE (F) 59 46 1975  
 
SUNRISE AND SUNSET  
JUNE 10 2026..........SUNRISE 521 AM EDT SUNSET 823 PM EDT  
JUNE 11 2026..........SUNRISE 521 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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