148  
CDUS42 KJAX 120533  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
133 AM EDT MON JUN 12 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 11 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 89 12:47 PM 97 1981 88 1 93  
MINIMUM 77 6:01 AM 60 1988 73 4 78  
AVERAGE 83 80 3 86  
 
PRECIPITATION (IN)  
YESTERDAY T 3.76 1999 0.20 -0.20 0.00  
MONTH TO DATE 0.37 2.04 -1.67 1.68  
SINCE JUN 1 0.37 2.04 -1.67 1.68  
SINCE JAN 1 15.03 16.35 -1.32 17.42  
 
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 18 15 3 21  
MONTH TO DATE 157 161 -4 193  
SINCE JUN 1 157 161 -4 193  
SINCE JAN 1 1002 692 310 879    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 63 11:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 1998  
MINIMUM TEMPERATURE (F) 73 65 1955  
 
SUNRISE AND SUNSET  
JUNE 12 2023..........SUNRISE 6:21 AM EDT SUNSET 8:30 PM EDT  
JUNE 13 2023..........SUNRISE 6:21 AM EDT SUNSET 8:30 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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