517  
CDUS42 KJAX 232127  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
526 PM EDT SUN SEP 23 2018  
 
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR SEPTEMBER 23 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 88 1234 PM 91 1980 83 5 84  
MINIMUM 76 328 AM 56 1982 70 6 75  
AVERAGE 82 77 5 80  
 
PRECIPITATION (IN)  
TODAY T 2.29 1995 0.18 -0.18 1.05  
MONTH TO DATE 2.85 4.50 -1.65 12.90  
SINCE SEP 1 2.85 4.50 -1.65 12.90  
SINCE JAN 1 26.88 34.61 -7.73 42.98  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 12 5 15  
MONTH TO DATE 436 320 116 333  
SINCE SEP 1 436 320 116 333  
SINCE JAN 1 2668 2296 372 2660    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 57 100 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 92 1993  
MINIMUM TEMPERATURE (F) 70 56 1990  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2018.....SUNRISE 714 AM EDT SUNSET 721 PM EDT  
SEPTEMBER 24 2018.....SUNRISE 715 AM EDT SUNSET 720 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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