564  
CDUS41 KOKX 110648  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
248 AM EDT THU APR 11 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 10 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 60 1246 PM 77 1991 56 4 59  
MINIMUM 47 600 AM 25 1975 39 8 33  
AVERAGE 54 48 6 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.21 1983 0.15 -0.15 0.00  
MONTH TO DATE 2.16 1.36 0.80 0.59  
SINCE MAR 1 11.70 5.87 5.83 4.42  
SINCE JAN 1 21.42 12.82 8.60 11.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1996 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE MAR 1 0.0 6.9 -6.9 1.6  
SINCE JUL 1 10.9 31.6 -20.7 5.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 17 -6 19  
MONTH TO DATE 178 188 -10 160  
SINCE MAR 1 769 968 -199 873  
SINCE JUL 1 4108 4687 -579 4012  
 
COOLING  
YESTERDAY 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 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 AM  
LOWEST 59 1000 AM  
AVERAGE 75  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 71 2023  
MINIMUM TEMPERATURE (F) 40 26 2007  
2018  
 
SUNRISE AND SUNSET  
APRIL 11 2024.........SUNRISE 619 AM EDT SUNSET 728 PM EDT  
APRIL 12 2024.........SUNRISE 617 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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