439  
CDUS42 KJAX 232138  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
538 PM EDT SUN JUL 23 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 23 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 12:28 PM 97 1952 91 1 90  
MINIMUM 77 3:10 PM 67 1965 77 0 74  
AVERAGE 85 84 1 82  
 
PRECIPITATION (IN)  
TODAY 0.44 2.18 2015 0.14 0.30 0.00  
MONTH TO DATE 3.95 3.03 0.92 10.05  
SINCE JUN 1 9.11 8.79 0.32 13.05  
SINCE JAN 1 23.77 23.10 0.67 28.79  
 
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 20 19 1 17  
MONTH TO DATE 530 425 105 436  
SINCE JUN 1 1055 903 152 993  
SINCE JAN 1 1900 1434 466 1679    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 PM  
LOWEST 64 12:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 100 1952  
MINIMUM TEMPERATURE (F) 77 70 1963  
 
SUNRISE AND SUNSET  
JULY 23 2023..........SUNRISE 6:37 AM EDT SUNSET 8:27 PM EDT  
JULY 24 2023..........SUNRISE 6:37 AM EDT SUNSET 8:26 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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