737  
CDUS42 KJAX 132233  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EST TUE DEC 13 2022  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 13 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 66 12:08 PM 79 1948 65 1 69  
MINIMUM 59 4:59 PM 14 1962 48 11 49  
AVERAGE 63 56 7 59  
 
PRECIPITATION (IN)  
TODAY 0.00 1.79 1985 0.09 -0.09 0.00  
MONTH TO DATE T 1.14 -1.14 0.24  
SINCE DEC 1 T 1.14 -1.14 0.24  
SINCE JAN 1 47.88 43.80 4.08 45.16  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 9 -7 6  
MONTH TO DATE 27 109 -82 39  
SINCE DEC 1 27 109 -82 39  
SINCE JUL 1 142 277 -135 231  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 28 8 20 10  
SINCE DEC 1 28 8 20 10  
SINCE JAN 1 3131 2839 292 2847    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 5:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 79 2001  
MINIMUM TEMPERATURE (F) 48 22 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2022......SUNRISE 7:15 AM EST SUNSET 5:24 PM EST  
DECEMBER 14 2022......SUNRISE 7:16 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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