557  
CDUS42 KJAX 250533  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
133 AM EDT FRI AUG 25 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 24 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 92 2:23 PM 97 2002 89 3 90  
MINIMUM 79 11:59 PM 65 1957 75 4 78  
AVERAGE 86 82 4 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.33 1954 0.20 -0.20 0.04  
MONTH TO DATE 3.38 4.27 -0.89 3.83  
SINCE JUN 1 14.27 14.22 0.05 16.90  
SINCE JAN 1 28.93 28.53 0.40 32.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 17 4 19  
MONTH TO DATE 539 433 106 452  
SINCE JUN 1 1764 1486 278 1608  
SINCE JAN 1 2609 2017 592 2294    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 5:00 AM  
LOWEST 54 6:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 2002  
MINIMUM TEMPERATURE (F) 75 62 1957  
 
SUNRISE AND SUNSET  
AUGUST 25 2023........SUNRISE 6:57 AM EDT SUNSET 7:57 PM EDT  
AUGUST 26 2023........SUNRISE 6:58 AM EDT SUNSET 7:56 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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