341  
CDUS41 KOKX 090642  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
242 AM EDT TUE APR 09 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 8 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 63 1246 PM 84 1991 55 8 51  
MINIMUM 35 527 AM 25 1967 39 -4 36  
AVERAGE 49 47 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.47 1973 0.13 -0.13 0.00  
MONTH TO DATE 2.16 1.06 1.10 0.59  
SINCE MAR 1 11.70 5.57 6.13 4.42  
SINCE JAN 1 21.42 12.52 8.90 11.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.1 1996 0.1 -0.1 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 16 18 -2 21  
MONTH TO DATE 160 153 7 119  
SINCE MAR 1 751 933 -182 832  
SINCE JUL 1 4090 4652 -562 3971  
 
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 SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 19 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 82 2013  
MINIMUM TEMPERATURE (F) 39 26 1977  
1982  
2018  
 
SUNRISE AND SUNSET  
APRIL 9 2024.........SUNRISE 622 AM EDT SUNSET 726 PM EDT  
APRIL 10 2024.........SUNRISE 621 AM EDT SUNSET 727 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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