419  
CDUS42 KJAX 300631  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
131 AM EST FRI DEC 30 2022  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 29 2022
 
 
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)  
YESTERDAY  
MAXIMUM 67 12:06 PM 79 2016 63 4 79  
2021  
MINIMUM 45 1:12 AM 27 1977 45 0 60  
AVERAGE 56 54 2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1942 0.09 -0.09 0.00  
MONTH TO DATE 0.91 2.58 -1.67 1.14  
SINCE DEC 1 0.91 2.58 -1.67 1.14  
SINCE JAN 1 48.79 45.24 3.55 46.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 12 -3 0  
MONTH TO DATE 284 279 5 107  
SINCE DEC 1 284 279 5 107  
SINCE JUL 1 399 447 -48 299  
 
COOLING  
YESTERDAY 0 0 0 5  
MONTH TO DATE 29 8 21 36  
SINCE DEC 1 29 8 21 36  
SINCE JAN 1 3132 2839 293 2873    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 58 12:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 79 1984  
MINIMUM TEMPERATURE (F) 45 25 1961  
 
SUNRISE AND SUNSET  
DECEMBER 30 2022......SUNRISE 7:24 AM EST SUNSET 5:33 PM EST  
DECEMBER 31 2022......SUNRISE 7:24 AM EST SUNSET 5:34 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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