584  
CDUS42 KJAX 080533  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
133 AM EDT FRI SEP 08 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR SEPTEMBER 7 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1940 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95R 1:54 PM 93 2019 87 8 92  
MINIMUM 77 6:29 AM 64 1962 74 3 78  
AVERAGE 86 81 5 85  
 
PRECIPITATION (IN)  
YESTERDAY T 1.95 1989 0.21 -0.21 0.00  
MONTH TO DATE 0.07 1.49 -1.42 2.45  
SINCE SEP 1 0.07 1.49 -1.42 2.45  
SINCE JAN 1 32.19 31.54 0.65 38.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 16 5 20  
MONTH TO DATE 127 112 15 123  
SINCE SEP 1 127 112 15 123  
SINCE JAN 1 2871 2246 625 2540    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 2:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 2019  
MINIMUM TEMPERATURE (F) 74 63 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 7:06 AM EDT SUNSET 7:40 PM EDT  
SEPTEMBER 9 2023.....SUNRISE 7:06 AM EDT SUNSET 7:39 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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