652  
CDUS42 KJAX 132233  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EST FRI JAN 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JANUARY 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 66 12:18 AM 83 1972 62 4 63  
MINIMUM 52 4:59 PM 17 1981 44 8 47  
AVERAGE 59 53 6 55  
 
PRECIPITATION (IN)  
TODAY 0.49 2.38 1992 0.09 0.40 0.00  
MONTH TO DATE 1.58 1.17 0.41 0.72  
SINCE DEC 1 2.61 3.92 -1.31 1.87  
SINCE JAN 1 1.58 1.17 0.41 0.72  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 6 12 -6 10  
MONTH TO DATE 74 156 -82 113  
SINCE DEC 1 362 458 -96 220  
SINCE JUL 1 477 626 -149 412  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 6 0 6 14  
SINCE DEC 1 35 15 20 67  
SINCE JAN 1 6 0 6 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 48 12:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 80 2020  
MINIMUM TEMPERATURE (F) 44 22 1964  
 
SUNRISE AND SUNSET  
JANUARY 13 2023.......SUNRISE 7:25 AM EST SUNSET 5:44 PM EST  
JANUARY 14 2023.......SUNRISE 7:25 AM EST SUNSET 5:45 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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