757  
CDUS42 KJAX 200554  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
154 AM EDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 19 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 93 11:32 AM 99 1970 89 4 87  
MINIMUM 73 12:40 PM 59 1961 74 -1 77  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 8.19 1972 0.22 0.07 0.14  
MONTH TO DATE 3.19 3.80 -0.61 2.84  
SINCE JUN 1 3.19 3.80 -0.61 2.84  
SINCE JAN 1 17.85 18.11 -0.26 18.58  
 
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 16 2 17  
MONTH TO DATE 299 289 10 348  
SINCE JUN 1 299 289 10 348  
SINCE JAN 1 1144 820 324 1034    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 PM  
LOWEST 51 11:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 99 1990  
MINIMUM TEMPERATURE (F) 74 59 1965  
 
SUNRISE AND SUNSET  
JUNE 20 2023..........SUNRISE 6:22 AM EDT SUNSET 8:32 PM EDT  
JUNE 21 2023..........SUNRISE 6:22 AM EDT SUNSET 8:33 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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