833  
CDUS42 KJAX 182138  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
538 PM EDT SUN JUN 18 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 18 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 91 11:41 AM 98 1950 89 2 98  
2022  
MINIMUM 75 6:11 AM 61 1961 74 1 72  
AVERAGE 83 81 2 85  
 
PRECIPITATION (IN)  
TODAY 0.00 2.54 1982 0.23 -0.23 0.66  
MONTH TO DATE 2.90 3.58 -0.68 2.70  
SINCE JUN 1 2.90 3.58 -0.68 2.70  
SINCE JAN 1 17.56 17.89 -0.33 18.44  
 
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 1 814 1310 -496 984  
 
COOLING  
TODAY 18 16 2 20  
MONTH TO DATE 281 273 8 331  
SINCE JUN 1 281 273 8 331  
SINCE JAN 1 1126 804 322 1017    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 56 12:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 99 1970  
MINIMUM TEMPERATURE (F) 74 59 1961  
 
SUNRISE AND SUNSET  
JUNE 18 2023..........SUNRISE 6:22 AM EDT SUNSET 8:32 PM EDT  
JUNE 19 2023..........SUNRISE 6:22 AM EDT SUNSET 8:32 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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