550  
CDUS41 KOKX 272036  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
436 PM EDT WED SEP 27 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 27 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 67 246 PM 86 1998 71 -4 71  
2017  
MINIMUM 52 602 AM 38 1965 55 -3 53  
AVERAGE 60 63 -3 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1975 0.12 -0.12 T  
MONTH TO DATE 4.35 3.20 1.15 2.89  
SINCE SEP 1 4.35 3.20 1.15 2.89  
SINCE JAN 1 34.88 33.50 1.38 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 4 1 3  
MONTH TO DATE 31 40 -9 22  
SINCE SEP 1 31 40 -9 22  
SINCE JUL 1 31 43 -12 22  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 158 104 54 140  
SINCE SEP 1 158 104 54 140  
SINCE JAN 1 936 868 68 1113    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 AM  
LOWEST 50 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 80 2015  
MINIMUM TEMPERATURE (F) 54 38 1989  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 645 AM EDT SUNSET 641 PM EDT  
SEPTEMBER 28 2023.....SUNRISE 646 AM EDT SUNSET 640 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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