559  
CDUS42 KJAX 130531  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
131 AM EDT TUE JUN 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 12 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 93 5:14 PM 98 1998 88 5 88  
MINIMUM 76 5:44 AM 65 1955 73 3 76  
AVERAGE 85 81 4 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.55 2001 0.21 -0.21 0.34  
MONTH TO DATE 0.37 2.25 -1.88 2.02  
SINCE JUN 1 0.37 2.25 -1.88 2.02  
SINCE JAN 1 15.03 16.56 -1.53 17.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 814 1310 -496 984  
 
COOLING  
YESTERDAY 20 16 4 17  
MONTH TO DATE 177 177 0 210  
SINCE JUN 1 177 177 0 210  
SINCE JAN 1 1022 708 314 896    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 2016  
MINIMUM TEMPERATURE (F) 74 60 1966  
 
SUNRISE AND SUNSET  
JUNE 13 2023..........SUNRISE 6:21 AM EDT SUNSET 8:30 PM EDT  
JUNE 14 2023..........SUNRISE 6:21 AM EDT SUNSET 8:31 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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