434  
CDUS42 KJAX 152133  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EDT TUE AUG 15 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 15 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 97R 2:52 PM 97 2011 90 7 90  
MINIMUM 80 6:22 AM 66 1967 76 4 70  
AVERAGE 89 83 6 80  
 
PRECIPITATION (IN)  
TODAY 0.00 5.61 1987 0.18 -0.18 0.00  
MONTH TO DATE 2.98 2.57 0.41 2.01  
SINCE JUN 1 13.87 12.52 1.35 15.08  
SINCE JAN 1 28.53 26.83 1.70 30.82  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 24 18 6 15  
MONTH TO DATE 346 275 71 290  
SINCE JUN 1 1571 1328 243 1446  
SINCE JAN 1 2416 1859 557 2132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1984  
MINIMUM TEMPERATURE (F) 76 67 1967  
 
SUNRISE AND SUNSET  
AUGUST 15 2023........SUNRISE 6:51 AM EDT SUNSET 8:08 PM EDT  
AUGUST 16 2023........SUNRISE 6:52 AM EDT SUNSET 8:07 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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