741  
CDUS41 KOKX 112052  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
452 PM EDT MON SEP 11 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 11 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 81 236 PM 92 1983 76 5 78  
MINIMUM 71 222 AM 45 1969 61 10 67  
AVERAGE 76 69 7 73  
 
PRECIPITATION (IN)  
TODAY 0.89 1.05 1968 0.11 0.78 0.07  
MONTH TO DATE 1.17 1.24 -0.07 0.74  
SINCE SEP 1 1.17 1.24 -0.07 0.74  
SINCE JAN 1 31.70 31.54 0.16 25.19  
 
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 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
TODAY 11 4 7 8  
MONTH TO DATE 132 59 73 81  
SINCE SEP 1 132 59 73 81  
SINCE JAN 1 910 823 87 1054    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 79 1100 AM  
AVERAGE 90  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2005  
MINIMUM TEMPERATURE (F) 60 45 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 629 AM EDT SUNSET 709 PM EDT  
SEPTEMBER 12 2023.....SUNRISE 630 AM EDT SUNSET 707 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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