900  
CDUS41 KOKX 160631  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
231 AM EDT TUE APR 16 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 15 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78R 1253 PM 78 2002 58 20 66  
MINIMUM 53 548 AM 28 1973 41 12 56  
AVERAGE 66 50 16 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.80 2021 0.14 -0.14 0.02  
MONTH TO DATE 2.86 2.07 0.79 0.61  
SINCE MAR 1 12.40 6.58 5.82 4.44  
SINCE JAN 1 22.12 13.53 8.59 11.03  
 
SNOWFALL (IN)  
YESTERDAY 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 1.6  
SINCE JUL 1 10.9 31.7 -20.8 5.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 4  
MONTH TO DATE 223 270 -47 174  
SINCE MAR 1 814 1050 -236 887  
SINCE JUL 1 4153 4769 -616 4026  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 1 0 1 12  
SINCE MAR 1 1 0 1 12  
SINCE JAN 1 1 0 1 12    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 22 1200 PM  
AVERAGE 56  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 88 2002  
MINIMUM TEMPERATURE (F) 41 26 1981  
 
SUNRISE AND SUNSET  
APRIL 16 2024.........SUNRISE 611 AM EDT SUNSET 734 PM EDT  
APRIL 17 2024.........SUNRISE 610 AM EDT SUNSET 735 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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