276  
CDUS42 KJAX 280536  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
136 AM EDT WED JUN 28 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 27 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 100 5:09 PM 101 1952 90 10 89  
MINIMUM 81 5:54 AM 67 1979 75 6 74  
AVERAGE 91 82 9 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.55 1956 0.16 -0.16 0.00  
MONTH TO DATE 5.16 5.28 -0.12 2.85  
SINCE JUN 1 5.16 5.28 -0.12 2.85  
SINCE JAN 1 19.82 19.59 0.23 18.59  
 
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 1 814 1310 -496 984  
 
COOLING  
YESTERDAY 26 17 9 17  
MONTH TO DATE 459 425 34 500  
SINCE JUN 1 459 425 34 500  
SINCE JAN 1 1304 956 348 1186    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 5:00 AM  
LOWEST 41 5:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 98 1978  
MINIMUM TEMPERATURE (F) 75 67 1972  
 
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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