324  
CDUS42 KJAX 300543  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
143 AM EDT TUE MAY 30 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 29 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 1:52 PM 97 1945 86 3 89  
MINIMUM 63 1:30 AM 57 1968 71 -8 73  
AVERAGE 76 78 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 2012 0.12 -0.12 0.00  
MONTH TO DATE 2.91 2.04 0.87 2.06  
SINCE MAR 1 8.74 8.13 0.61 12.68  
SINCE JAN 1 14.56 14.06 0.50 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 11 13 -2 16  
MONTH TO DATE 296 304 -8 355  
SINCE MAR 1 685 484 201 615  
SINCE JAN 1 820 502 318 654    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1945  
MINIMUM TEMPERATURE (F) 71 55 1971  
 
SUNRISE AND SUNSET  
MAY 30 2023...........SUNRISE 6:23 AM EDT SUNSET 8:24 PM EDT  
MAY 31 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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