342  
CDUS42 KJAX 140532  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
132 AM EDT SUN MAY 14 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 13 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 82 3:32 PM 94 1967 83 -1 79  
MINIMUM 67 5:53 AM 50 1960 67 0 67  
AVERAGE 75 75 0 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.79 1979 0.06 -0.06 0.01  
MONTH TO DATE 0.69 0.76 -0.07 0.30  
SINCE MAR 1 6.52 6.85 -0.33 10.92  
SINCE JAN 1 12.34 12.78 -0.44 13.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 86 194 -108 99  
SINCE JUL 1 812 1307 -495 984  
 
COOLING  
YESTERDAY 10 10 0 8  
MONTH TO DATE 128 113 15 118  
SINCE MAR 1 517 293 224 378  
SINCE JAN 1 652 311 341 417    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 71 9:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 1995  
MINIMUM TEMPERATURE (F) 68 52 1952  
 
SUNRISE AND SUNSET  
MAY 14 2023...........SUNRISE 6:31 AM EDT SUNSET 8:13 PM EDT  
MAY 15 2023...........SUNRISE 6:30 AM EDT SUNSET 8:14 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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