300  
CDUS42 KJAX 200632  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
132 AM EST MON FEB 20 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR FEBRUARY 19 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 72 1:37 PM 82 2012 66 6 64  
MINIMUM 56 7:20 AM 23 1958 48 8 45  
AVERAGE 64 57 7 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.70 1988 0.10 -0.10 0.00  
MONTH TO DATE 3.13 1.86 1.27 1.05  
SINCE DEC 1 6.85 7.76 -0.91 3.98  
SINCE JAN 1 5.82 5.01 0.81 2.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 10  
MONTH TO DATE 80 193 -113 172  
SINCE DEC 1 611 875 -264 671  
SINCE JUL 1 726 1043 -317 863  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 32 0 32 6  
SINCE DEC 1 81 21 60 73  
SINCE JAN 1 52 6 46 20    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 59 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 78 2018  
MINIMUM TEMPERATURE (F) 48 24 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2023......SUNRISE 7:02 AM EST SUNSET 6:17 PM EST  
FEBRUARY 21 2023......SUNRISE 7:01 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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