951  
CDUS42 KJAX 150538  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
138 AM EDT TUE AUG 15 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 14 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 96 11:29 AM 99 1995 90 6 88  
MINIMUM 81 11:59 PM 68 1967 76 5 73  
AVERAGE 89 83 6 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.60 1943 0.20 -0.20 0.00  
MONTH TO DATE 2.98 2.39 0.59 2.01  
SINCE JUN 1 13.87 12.34 1.53 15.08  
SINCE JAN 1 28.53 26.65 1.88 30.82  
 
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 0 0 0 0  
 
COOLING  
YESTERDAY 24 18 6 16  
MONTH TO DATE 322 257 65 275  
SINCE JUN 1 1547 1310 237 1431  
SINCE JAN 1 2392 1841 551 2117    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 2:00 AM  
LOWEST 58 11:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 2011  
MINIMUM TEMPERATURE (F) 76 66 1967  
 
SUNRISE AND SUNSET  
AUGUST 15 2023........SUNRISE 6:51 AM EDT SUNSET 8:08 PM EDT  
AUGUST 16 2023........SUNRISE 6:52 AM EDT SUNSET 8:07 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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