664  
CDUS42 KJAX 282144  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
544 PM EDT WED JUN 28 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 28 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 98R 1:24 PM 98 1978 90 8 91  
MINIMUM 79 6:01 AM 67 1972 75 4 78  
AVERAGE 89 82 7 85  
 
PRECIPITATION (IN)  
TODAY 0.00 3.81 1962 0.16 -0.16 0.00  
MONTH TO DATE 5.16 5.44 -0.28 2.85  
SINCE JUN 1 5.16 5.44 -0.28 2.85  
SINCE JAN 1 19.82 19.75 0.07 18.59  
 
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 1 814 1310 -496 984  
 
COOLING  
TODAY 24 17 7 20  
MONTH TO DATE 483 442 41 520  
SINCE JUN 1 483 442 41 520  
SINCE JAN 1 1328 973 355 1206    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 99 1959  
MINIMUM TEMPERATURE (F) 75 64 1962  
 
SUNRISE AND SUNSET  
JUNE 28 2023..........SUNRISE 6:24 AM EDT SUNSET 8:33 PM EDT  
JUNE 29 2023..........SUNRISE 6:24 AM EDT SUNSET 8:34 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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