220  
CDUS42 KJAX 290545  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
145 AM EDT MON MAY 29 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 28 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 74 6:25 PM 98 2019 86 -12 89  
MINIMUM 61 5:57 AM 54 1961 71 -10 72  
AVERAGE 68 78 -10 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1992 0.11 -0.11 0.00  
MONTH TO DATE 2.91 1.92 0.99 2.06  
SINCE MAR 1 8.74 8.01 0.73 12.68  
SINCE JAN 1 14.56 13.94 0.62 15.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 3 13 -10 16  
MONTH TO DATE 285 291 -6 339  
SINCE MAR 1 674 471 203 599  
SINCE JAN 1 809 489 320 638    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 62 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 97 1945  
MINIMUM TEMPERATURE (F) 71 57 1968  
 
SUNRISE AND SUNSET  
MAY 29 2023...........SUNRISE 6:23 AM EDT SUNSET 8:23 PM EDT  
MAY 30 2023...........SUNRISE 6:23 AM EDT SUNSET 8:24 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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