834  
CDUS42 KJAX 290630  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
130 AM EST THU DEC 29 2022  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR DECEMBER 28 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 59 3:34 PM 81 1971 63 -4 73  
MINIMUM 32 4:24 AM 29 2010 45 -13 59  
AVERAGE 46 54 -8 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.35 2000 0.08 -0.08 0.00  
MONTH TO DATE 0.91 2.49 -1.58 1.14  
SINCE DEC 1 0.91 2.49 -1.58 1.14  
SINCE JAN 1 48.79 45.15 3.64 46.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 12 7 0  
MONTH TO DATE 275 267 8 107  
SINCE DEC 1 275 267 8 107  
SINCE JUL 1 390 435 -45 299  
 
COOLING  
YESTERDAY 0 0 0 1  
MONTH TO DATE 29 8 21 31  
SINCE DEC 1 29 8 21 31  
SINCE JAN 1 3132 2839 293 2868    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 11:00 PM  
LOWEST 55 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 79 2016  
2021  
MINIMUM TEMPERATURE (F) 45 27 1977  
 
SUNRISE AND SUNSET  
DECEMBER 29 2022......SUNRISE 7:23 AM EST SUNSET 5:32 PM EST  
DECEMBER 30 2022......SUNRISE 7:24 AM EST SUNSET 5:33 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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