049  
CDUS42 KJAX 152238  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
538 PM EST THU DEC 15 2022  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 15 2022
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1940 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 2:39 PM 84 1972 64 12 71  
MINIMUM 67 9:38 AM 22 1944 47 20 58  
AVERAGE 72 56 16 65  
 
PRECIPITATION (IN)  
TODAY 0.08 3.27 1997 0.09 -0.01 0.00  
MONTH TO DATE 0.09 1.32 -1.23 0.24  
SINCE DEC 1 0.09 1.32 -1.23 0.24  
SINCE JAN 1 47.97 43.98 3.99 45.16  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 10 -10 0  
MONTH TO DATE 27 129 -102 43  
SINCE DEC 1 27 129 -102 43  
SINCE JUL 1 142 297 -155 235  
 
COOLING  
TODAY 7 0 7 0  
MONTH TO DATE 35 8 27 10  
SINCE DEC 1 35 8 27 10  
SINCE JAN 1 3138 2839 299 2847    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 66 5:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 1971  
MINIMUM TEMPERATURE (F) 47 25 1968  
 
SUNRISE AND SUNSET  
DECEMBER 15 2022......SUNRISE 7:17 AM EST SUNSET 5:25 PM EST  
DECEMBER 16 2022......SUNRISE 7:17 AM EST SUNSET 5:25 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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