829  
CDUS42 KJAX 240631  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
131 AM EST WED FEB 24 2021  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR FEBRUARY 23 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1940 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 4:49 PM 82 2012 65 6 63  
MINIMUM 50 11:59 PM 26 1963 47 3 38  
AVERAGE 61 56 5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 2013 0.13 -0.13 T  
MONTH TO DATE 4.86 2.82 2.04 1.92  
SINCE DEC 1 8.89 8.68 0.21 11.83  
SINCE JAN 1 7.31 6.04 1.27 3.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1989  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 9 -5 14  
MONTH TO DATE 233 257 -24 181  
SINCE DEC 1 941 1028 -87 627  
SINCE JUL 1 997 1208 -211 813  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 22  
SINCE DEC 1 7 16 -9 78  
SINCE JAN 1 5 3 2 57    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 2012  
MINIMUM TEMPERATURE (F) 48 26 1989  
 
SUNRISE AND SUNSET  
FEBRUARY 24 2021......SUNRISE 6:57 AM EST SUNSET 6:20 PM EST  
FEBRUARY 25 2021......SUNRISE 6:56 AM EST SUNSET 6:21 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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