918  
CDUS42 KJAX 042132  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
532 PM EDT MON SEP 04 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR SEPTEMBER 4 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 87 3:10 PM 97 1944 88 -1 87  
MINIMUM 72 6:35 AM 64 1994 74 -2 74  
AVERAGE 80 81 -1 81  
 
PRECIPITATION (IN)  
TODAY 0.00 5.15 1989 0.21 -0.21 1.09  
MONTH TO DATE 0.07 0.86 -0.79 2.45  
SINCE SEP 1 0.07 0.86 -0.79 2.45  
SINCE JAN 1 32.19 30.91 1.28 38.54  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 15 16 -1 16  
MONTH TO DATE 69 64 5 64  
SINCE SEP 1 69 64 5 64  
SINCE JAN 1 2813 2198 615 2481    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 7:00 AM  
LOWEST 55 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 1944  
MINIMUM TEMPERATURE (F) 74 62 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 7:03 AM EDT SUNSET 7:45 PM EDT  
SEPTEMBER 5 2023.....SUNRISE 7:04 AM EDT SUNSET 7:44 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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