974  
CDUS42 KJAX 112131  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
531 PM EDT FRI AUG 11 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 11 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 99 2:16 PM 101 2011 90 9 95  
MINIMUM 84 6:42 AM 67 1989 76 8 76  
AVERAGE 92 83 9 86  
 
PRECIPITATION (IN)  
TODAY 0.00 1.70 1978 0.18 -0.18 0.34  
MONTH TO DATE 0.71 1.82 -1.11 0.90  
SINCE JUN 1 11.60 11.77 -0.17 13.97  
SINCE JAN 1 26.26 26.08 0.18 29.71  
 
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 27 18 9 21  
MONTH TO DATE 251 203 48 224  
SINCE JUN 1 1476 1256 220 1380  
SINCE JAN 1 2321 1787 534 2066    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1999  
MINIMUM TEMPERATURE (F) 76 65 1989  
 
SUNRISE AND SUNSET  
AUGUST 11 2023........SUNRISE 6:49 AM EDT SUNSET 8:12 PM EDT  
AUGUST 12 2023........SUNRISE 6:49 AM EDT SUNSET 8:11 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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