914  
CDUS42 KJAX 130540  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
140 AM EDT FRI OCT 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR OCTOBER 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 77 5:27 PM 87 2006 80 -3 82  
MINIMUM 69 10:46 AM 48 1963 65 4 74  
AVERAGE 73 73 0 78  
 
PRECIPITATION (IN)  
YESTERDAY 1.87 2.18 1994 0.19 1.68 0.25  
MONTH TO DATE 1.91 2.45 -0.54 0.25  
SINCE SEP 1 11.28 8.45 2.83 8.50  
SINCE JAN 1 43.40 38.50 4.90 44.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 8 8 0 13  
MONTH TO DATE 113 114 -1 78  
SINCE SEP 1 576 538 38 502  
SINCE JAN 1 3320 2672 648 2919    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 7:00 AM  
LOWEST 77 4:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 89 2020  
MINIMUM TEMPERATURE (F) 65 48 1977  
 
SUNRISE AND SUNSET  
OCTOBER 13 2023.......SUNRISE 7:27 AM EDT SUNSET 6:56 PM EDT  
OCTOBER 14 2023.......SUNRISE 7:27 AM EDT SUNSET 6:55 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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