208  
CDUS41 KOKX 240617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT FRI APR 24 2026  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 23 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 71 401 PM 83 1973 61 10 72  
MINIMUM 42 549 AM 31 1982 44 -2 51  
1989  
AVERAGE 57 52 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 4.63 2006 0.14 -0.13 0.00  
MONTH TO DATE 0.48 3.14 -2.66 1.43  
SINCE MAR 1 4.67 7.65 -2.98 6.19  
SINCE JAN 1 10.91 14.60 -3.69 10.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2020 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE MAR 1 0.2 7.1 -6.9 0.0  
SINCE JUL 1 61.8 31.8 30.0 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 13 -5 3  
MONTH TO DATE 332 381 -49 323  
SINCE MAR 1 1049 1161 -112 937  
SINCE JUL 1 4905 4880 25 4419  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 0  
SINCE MAR 1 11 0 11 0  
SINCE JAN 1 11 0 11 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 29 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 77 2008  
MINIMUM TEMPERATURE (F) 44 32 2002  
 
SUNRISE AND SUNSET  
APRIL 24 2026.........SUNRISE 600 AM EDT SUNSET 741 PM EDT  
APRIL 25 2026.........SUNRISE 559 AM EDT SUNSET 742 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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