699  
CDUS41 KOKX 152033  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
433 PM EDT TUE APR 15 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 15 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 225 PM 78 2002 58 10 78  
MINIMUM 48 351 AM 28 1973 41 7 53  
AVERAGE 58 50 8 66  
 
PRECIPITATION (IN)  
TODAY 0.01 1.80 2021 0.14 -0.13 0.00  
MONTH TO DATE 1.40 2.07 -0.67 2.86  
SINCE MAR 1 6.16 6.58 -0.42 12.40  
SINCE JAN 1 10.48 13.53 -3.05 22.12  
 
SNOWFALL (IN)  
TODAY 0.0 T 2014 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.5 -0.5 0.0  
SINCE MAR 1 0.0 7.0 -7.0 0.0  
SINCE JUL 1 11.7 31.7 -20.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 16 -9 0  
MONTH TO DATE 253 270 -17 223  
SINCE MAR 1 867 1050 -183 814  
SINCE JUL 1 4349 4769 -420 4153  
 
COOLING  
TODAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 53 300 PM  
AVERAGE 73  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 88 2002  
MINIMUM TEMPERATURE (F) 41 26 1981  
 
SUNRISE AND SUNSET  
APRIL 15 2025.........SUNRISE 613 AM EDT SUNSET 732 PM EDT  
APRIL 16 2025.........SUNRISE 612 AM EDT SUNSET 733 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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