604  
CDUS42 KJAX 162131  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
531 PM EDT WED AUG 16 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 16 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92 3:18 PM 97 1984 90 2 95  
MINIMUM 79 12:45 AM 67 1967 76 3 77  
AVERAGE 86 83 3 86  
 
PRECIPITATION (IN)  
TODAY 0.00 3.18 1971 0.18 -0.18 0.23  
MONTH TO DATE 3.14 2.75 0.39 2.24  
SINCE JUN 1 14.03 12.70 1.33 15.31  
SINCE JAN 1 28.69 27.01 1.68 31.05  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 21 18 3 21  
MONTH TO DATE 365 293 72 311  
SINCE JUN 1 1590 1346 244 1467  
SINCE JAN 1 2435 1877 558 2153    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 6:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 99 1984  
MINIMUM TEMPERATURE (F) 76 68 1963  
 
SUNRISE AND SUNSET  
AUGUST 16 2023........SUNRISE 6:52 AM EDT SUNSET 8:07 PM EDT  
AUGUST 17 2023........SUNRISE 6:52 AM EDT SUNSET 8:06 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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