504  
CDUS42 KJAX 120639  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
139 AM EST SUN FEB 12 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR FEBRUARY 11 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 66 4:44 PM 79 1959 64 2 70  
MINIMUM 59 8:07 PM 22 1971 47 12 41  
AVERAGE 63 55 8 56  
 
PRECIPITATION (IN)  
YESTERDAY 2.42R 2.10 1995 0.10 2.32 0.00  
MONTH TO DATE 2.94 1.07 1.87 0.82  
SINCE DEC 1 6.66 6.97 -0.31 3.75  
SINCE JAN 1 5.63 4.22 1.41 2.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1973  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 10 -8 9  
MONTH TO DATE 42 118 -76 118  
SINCE DEC 1 573 800 -227 617  
SINCE JUL 1 688 968 -280 809  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 19 0 19 1  
SINCE DEC 1 68 21 47 68  
SINCE JAN 1 39 6 33 15    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 83 8:00 AM  
AVERAGE 87  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 79 2017  
MINIMUM TEMPERATURE (F) 47 24 1981  
 
SUNRISE AND SUNSET  
FEBRUARY 12 2023......SUNRISE 7:10 AM EST SUNSET 6:10 PM EST  
FEBRUARY 13 2023......SUNRISE 7:09 AM EST SUNSET 6:11 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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