449  
CDUS42 KJAX 312137  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
537 PM EDT WED MAY 31 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 31 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 79 1:14 PM 97 1945 86 -7 87  
MINIMUM 75 11:15 AM 52 1984 72 3 75  
AVERAGE 77 79 -2 81  
 
PRECIPITATION (IN)  
TODAY 0.10 2.20 1959 0.13 -0.03 T  
MONTH TO DATE 3.01 2.29 0.72 2.06  
SINCE MAR 1 8.84 8.38 0.46 12.68  
SINCE JAN 1 14.66 14.31 0.35 15.74  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 2  
SINCE MAR 1 88 194 -106 99  
SINCE JUL 1 814 1307 -493 984  
 
COOLING  
TODAY 12 14 -2 16  
MONTH TO DATE 321 333 -12 387  
SINCE MAR 1 710 513 197 647  
SINCE JAN 1 845 531 314 686    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 76 1:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 101 1953  
MINIMUM TEMPERATURE (F) 72 52 1984  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 6:23 AM EDT SUNSET 8:24 PM EDT  
JUNE 1 2023..........SUNRISE 6:22 AM EDT SUNSET 8:25 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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