769  
CDUS41 KOKX 290653  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
253 AM EDT SUN SEP 29 2024  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 28 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 67 1034 AM 80 2015 71 -4 69  
MINIMUM 60 1112 PM 38 1989 54 6 54  
AVERAGE 64 62 2 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.79 2004 0.13 0.00 0.05  
MONTH TO DATE 0.24 3.33 -3.09 4.40  
SINCE SEP 1 0.24 3.33 -3.09 4.40  
SINCE JAN 1 39.11 33.63 5.48 34.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 4 -3 3  
MONTH TO DATE 16 44 -28 34  
SINCE SEP 1 16 44 -28 34  
SINCE JUL 1 17 47 -30 34  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 80 106 -26 158  
SINCE SEP 1 80 106 -26 158  
SINCE JAN 1 1001 870 131 936    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 PM  
LOWEST 87 700 AM  
AVERAGE 92  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 81 2015  
MINIMUM TEMPERATURE (F) 54 39 1976  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2024.....SUNRISE 647 AM EDT SUNSET 637 PM EDT  
SEPTEMBER 30 2024.....SUNRISE 648 AM EDT SUNSET 635 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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