257  
CDUS42 KJAX 142129  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
528 PM EDT TUE AUG 14 2018  
 
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 14 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 158 PM 99 1995 89 1 92  
MINIMUM 78 626 AM 68 1967 75 3 79  
AVERAGE 84 82 2 86  
 
PRECIPITATION (IN)  
TODAY 0.01 2.79 1987 0.20 -0.19 0.29  
MONTH TO DATE 0.68 2.43 -1.75 1.90  
SINCE JUN 1 8.94 11.35 -2.41 13.87  
SINCE JAN 1 22.68 26.27 -3.59 26.01  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE JUN 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
 
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 19 17 2 21  
MONTH TO DATE 262 245 17 253  
SINCE JUN 1 1369 1257 112 1306  
SINCE JAN 1 1920 1699 221 2014    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 59 1200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 2011  
MINIMUM TEMPERATURE (F) 75 66 1967  
 
 
SUNRISE AND SUNSET  
AUGUST 14 2018........SUNRISE 651 AM EDT SUNSET 809 PM EDT  
AUGUST 15 2018........SUNRISE 651 AM EDT SUNSET 808 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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