386  
CDUS41 KOKX 112031  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
431 PM EDT SAT APR 11 2026  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 11 2026
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 62 259 PM 71 2023 57 5 52  
MINIMUM 46 509 AM 26 2007 40 6 39  
2018  
AVERAGE 54 48 6 46  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 2009 0.14 -0.14 0.14  
MONTH TO DATE 0.27 1.50 -1.23 1.13  
SINCE MAR 1 4.46 6.01 -1.55 5.89  
SINCE JAN 1 10.70 12.96 -2.26 10.21  
 
SNOWFALL (IN)  
TODAY 0.0 T 1999 0.0 0.0 0.0  
2000  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE MAR 1 0.2 6.9 -6.7 0.0  
SINCE JUL 1 61.8 31.6 30.2 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 11 17 -6 19  
MONTH TO DATE 198 205 -7 194  
SINCE MAR 1 915 985 -70 808  
SINCE JUL 1 4771 4704 67 4290  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 300 AM  
LOWEST 24 300 PM  
AVERAGE 52  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 87 1977  
MINIMUM TEMPERATURE (F) 40 27 1976  
 
SUNRISE AND SUNSET  
APRIL 11 2026.........SUNRISE 620 AM EDT SUNSET 728 PM EDT  
APRIL 12 2026.........SUNRISE 618 AM EDT SUNSET 729 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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