472  
CDUS42 KJAX 040638  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
138 AM EST WED JAN 04 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JANUARY 3 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 75 12:29 PM 79 1952 62 13 73  
MINIMUM 52 5:27 AM 21 1979 44 8 43  
AVERAGE 64 53 11 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.50 1977 0.09 -0.09 0.12  
MONTH TO DATE 0.00 0.27 -0.27 0.12  
SINCE DEC 1 1.03 3.02 -1.99 1.27  
SINCE JAN 1 0.00 0.27 -0.27 0.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 12 -11 7  
MONTH TO DATE 8 36 -28 7  
SINCE DEC 1 296 338 -42 114  
SINCE JUL 1 411 506 -95 306  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 14  
SINCE DEC 1 29 15 14 67  
SINCE JAN 1 0 0 0 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 66 1:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 80 1973  
MINIMUM TEMPERATURE (F) 44 25 2018  
 
SUNRISE AND SUNSET  
JANUARY 4 2023.......SUNRISE 7:25 AM EST SUNSET 5:36 PM EST  
JANUARY 5 2023.......SUNRISE 7:25 AM EST SUNSET 5:37 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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