753  
CDUS42 KJAX 130532  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
132 AM EDT THU AUG 13 2020  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 12 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1948 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 3:41 PM 97 1999 89 1 91  
MINIMUM 75 6:28 AM 65 1989 75 0 78  
AVERAGE 83 82 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.34 2009 0.19 -0.19 0.00  
MONTH TO DATE 2.58 2.03 0.55 3.72  
SINCE JUN 1 11.97 10.95 1.02 10.69  
SINCE JAN 1 28.06 25.87 2.19 20.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 18 17 1 20  
MONTH TO DATE 214 211 3 230  
SINCE JUN 1 1293 1223 70 1370  
SINCE JAN 1 2011 1665 346 2099    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 63 12:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 2013  
MINIMUM TEMPERATURE (F) 75 66 1967  
 
SUNRISE AND SUNSET  
AUGUST 13 2020........SUNRISE 6:50 AM EDT SUNSET 8:10 PM EDT  
AUGUST 14 2020........SUNRISE 6:51 AM EDT SUNSET 8:09 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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