506  
CDUS42 KJAX 132143  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
543 PM EDT THU JUL 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 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 93 1:56 PM 103 1980 91 2 91  
MINIMUM 81 6:04 AM 69 1963 76 5 79  
AVERAGE 87 84 3 85  
 
PRECIPITATION (IN)  
TODAY 0.00 3.67 1978 0.12 -0.12 0.34  
MONTH TO DATE 1.38 1.73 -0.35 7.11  
SINCE JUN 1 6.54 7.49 -0.95 10.11  
SINCE JAN 1 21.20 21.80 -0.60 25.85  
 
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 22 19 3 20  
MONTH TO DATE 296 235 61 256  
SINCE JUN 1 821 713 108 813  
SINCE JAN 1 1666 1244 422 1499    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 7:00 AM  
LOWEST 64 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 101 1981  
MINIMUM TEMPERATURE (F) 76 67 1974  
 
SUNRISE AND SUNSET  
JULY 13 2023..........SUNRISE 6:31 AM EDT SUNSET 8:31 PM EDT  
JULY 14 2023..........SUNRISE 6:31 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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