543  
CDUS42 KJAX 300536  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
136 AM EDT SUN JUL 30 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 29 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 1:14 PM 99 2016 91 1 94  
MINIMUM 80 7:29 AM 69 1954 77 3 79  
AVERAGE 86 84 2 87  
 
PRECIPITATION (IN)  
YESTERDAY T 2.43 1944 0.14 -0.14 0.02  
MONTH TO DATE 5.47 3.91 1.56 10.07  
SINCE JUN 1 10.63 9.67 0.96 13.07  
SINCE JAN 1 25.29 23.98 1.31 28.81  
 
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 19 2 22  
MONTH TO DATE 657 539 118 557  
SINCE JUN 1 1182 1017 165 1114  
SINCE JAN 1 2027 1548 479 1800    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 62 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 99 2010  
MINIMUM TEMPERATURE (F) 77 69 1962  
 
SUNRISE AND SUNSET  
JULY 30 2023..........SUNRISE 6:41 AM EDT SUNSET 8:23 PM EDT  
JULY 31 2023..........SUNRISE 6:42 AM EDT SUNSET 8:22 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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