768  
CDUS42 KJAX 310534  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
134 AM EDT MON JUL 31 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 30 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 100R 1:06 PM 99 2010 91 9 92  
MINIMUM 78 4:14 AM 69 1962 77 1 80  
AVERAGE 89 84 5 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.26 1.90 1963 0.14 0.12 0.00  
MONTH TO DATE 5.73 4.05 1.68 10.07  
SINCE JUN 1 10.89 9.81 1.08 13.07  
SINCE JAN 1 25.55 24.12 1.43 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 24 19 5 21  
MONTH TO DATE 681 558 123 578  
SINCE JUN 1 1206 1036 170 1135  
SINCE JAN 1 2051 1567 484 1821    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 50 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 101 1999  
MINIMUM TEMPERATURE (F) 77 68 1966  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 6:42 AM EDT SUNSET 8:22 PM EDT  
AUGUST 1 2023........SUNRISE 6:42 AM EDT SUNSET 8:21 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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