706  
CDUS42 KJAX 172134  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
534 PM EDT SAT JUN 17 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JUNE 17 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 94 3:59 PM 98 2016 88 6 94  
MINIMUM 73 6:41 AM 59 1961 74 -1 78  
AVERAGE 84 81 3 86  
 
PRECIPITATION (IN)  
TODAY 0.03 3.97 1960 0.22 -0.19 T  
MONTH TO DATE 2.90 3.35 -0.45 2.04  
SINCE JUN 1 2.90 3.35 -0.45 2.04  
SINCE JAN 1 17.56 17.66 -0.10 17.78  
 
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 19 16 3 21  
MONTH TO DATE 263 257 6 311  
SINCE JUN 1 263 257 6 311  
SINCE JAN 1 1108 788 320 997    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 7:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 1950  
2022  
MINIMUM TEMPERATURE (F) 74 61 1961  
 
SUNRISE AND SUNSET  
JUNE 17 2023..........SUNRISE 6:21 AM EDT SUNSET 8:32 PM EDT  
JUNE 18 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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