017  
CDUS42 KJAX 152143  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
543 PM EDT THU JUN 15 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 15 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 10:56 AM 101 1998 88 -4 92  
MINIMUM 70 1:17 PM 62 1995 74 -4 75  
AVERAGE 77 81 -4 84  
 
PRECIPITATION (IN)  
TODAY 1.14 1.87 1979 0.23 0.91 0.00  
MONTH TO DATE 2.56 2.90 -0.34 2.04  
SINCE JUN 1 2.56 2.90 -0.34 2.04  
SINCE JAN 1 17.22 17.21 0.01 17.78  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 12 16 -4 19  
MONTH TO DATE 227 225 2 270  
SINCE JUN 1 227 225 2 270  
SINCE JAN 1 1072 756 316 956    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 PM  
LOWEST 58 11:00 AM  
AVERAGE 74  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 2009  
MINIMUM TEMPERATURE (F) 74 64 1972  
 
SUNRISE AND SUNSET  
JUNE 15 2023..........SUNRISE 6:21 AM EDT SUNSET 8:31 PM EDT  
JUNE 16 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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