650  
CDUS41 KOKX 302032  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
432 PM EDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 30 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 245 PM 82 1986 70 -7 65  
MINIMUM 57 803 AM 40 1992 53 4 53  
2000  
AVERAGE 60 62 -2 59  
 
PRECIPITATION (IN)  
TODAY 0.23 2.08 1979 0.14 0.09 T  
MONTH TO DATE 6.78 3.60 3.18 2.89  
SINCE SEP 1 6.78 3.60 3.18 2.89  
SINCE JAN 1 37.31 33.90 3.41 27.34  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 5 5 0 6  
MONTH TO DATE 44 53 -9 35  
SINCE SEP 1 44 53 -9 35  
SINCE JUL 1 44 56 -12 35  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 158 108 50 140  
SINCE SEP 1 158 108 50 140  
SINCE JAN 1 936 872 64 1113    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 80 300 PM  
AVERAGE 90  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 83 1986  
MINIMUM TEMPERATURE (F) 53 37 1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 648 AM EDT SUNSET 636 PM EDT  
OCTOBER 1 2023.......SUNRISE 649 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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