945  
CDUS42 KJAX 210631  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
131 AM EST TUE FEB 21 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR FEBRUARY 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 80R 2:17 PM 78 2018 66 14 66  
MINIMUM 55 6:34 AM 24 2015 48 7 42  
AVERAGE 68 57 11 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.23 1988 0.10 -0.10 0.00  
MONTH TO DATE 3.13 1.96 1.17 1.05  
SINCE DEC 1 6.85 7.86 -1.01 3.98  
SINCE JAN 1 5.82 5.11 0.71 2.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 11  
MONTH TO DATE 80 201 -121 183  
SINCE DEC 1 611 883 -272 682  
SINCE JUL 1 726 1051 -325 874  
 
COOLING  
YESTERDAY 3 0 3 0  
MONTH TO DATE 35 0 35 6  
SINCE DEC 1 84 21 63 73  
SINCE JAN 1 55 6 49 20    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 82 2011  
MINIMUM TEMPERATURE (F) 49 25 1958  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2023......SUNRISE 7:01 AM EST SUNSET 6:18 PM EST  
FEBRUARY 22 2023......SUNRISE 7:00 AM EST SUNSET 6:18 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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