676  
CDUS42 KJAX 140535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT FRI AUG 14 2020  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR AUGUST 13 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 93 1:05 PM 96 2013 89 4 92  
MINIMUM 77 6:01 AM 66 1967 75 2 80  
AVERAGE 85 82 3 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.17 1983 0.20 -0.19 0.00  
MONTH TO DATE 2.59 2.23 0.36 3.72  
SINCE JUN 1 11.98 11.15 0.83 10.69  
SINCE JAN 1 28.07 26.07 2.00 20.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
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 20 17 3 21  
MONTH TO DATE 234 228 6 251  
SINCE JUN 1 1313 1240 73 1391  
SINCE JAN 1 2031 1682 349 2120    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 56 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 99 1995  
MINIMUM TEMPERATURE (F) 75 68 1967  
 
SUNRISE AND SUNSET  
AUGUST 14 2020........SUNRISE 6:51 AM EDT SUNSET 8:09 PM EDT  
AUGUST 15 2020........SUNRISE 6:52 AM EDT SUNSET 8:08 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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