658  
CDUS42 KJAX 132136  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
536 PM EDT SUN AUG 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 13 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 97R 1:01 PM 96 2013 90 7 88  
MINIMUM 84 6:21 AM 66 1967 76 8 76  
AVERAGE 91 83 8 82  
 
PRECIPITATION (IN)  
TODAY 0.00 3.17 1983 0.19 -0.19 0.18  
MONTH TO DATE 1.66 2.19 -0.53 2.01  
SINCE JUN 1 12.55 12.14 0.41 15.08  
SINCE JAN 1 27.21 26.45 0.76 30.82  
 
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 0 0 0 0  
 
COOLING  
TODAY 26 18 8 17  
MONTH TO DATE 298 239 59 259  
SINCE JUN 1 1523 1292 231 1415  
SINCE JAN 1 2368 1823 545 2101    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 2:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 99 1995  
MINIMUM TEMPERATURE (F) 76 68 1967  
 
SUNRISE AND SUNSET  
AUGUST 13 2023........SUNRISE 6:50 AM EDT SUNSET 8:10 PM EDT  
AUGUST 14 2023........SUNRISE 6:51 AM EDT SUNSET 8:09 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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