100  
CDUS42 KJAX 210526  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
126 AM EDT SAT OCT 21 2017  
 
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR OCTOBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 208 PM 87 2006 77 3 81  
MINIMUM 64 704 AM 40 1989 61 3 67  
AVERAGE 72 69 3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 1970 0.12 -0.12 0.00  
MONTH TO DATE 1.48 3.35 -1.87 11.19  
SINCE SEP 1 14.39 9.11 5.28 19.40  
SINCE JAN 1 44.47 39.22 5.25 43.21  
 
SNOWFALL (IN)  
YESTERDAY 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  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 10 -10 0  
SINCE SEP 1 0 10 -10 0  
SINCE JUL 1 0 10 -10 0  
 
COOLING  
YESTERDAY 7 5 2 9  
MONTH TO DATE 259 146 113 175  
SINCE SEP 1 705 541 164 614  
SINCE JAN 1 3032 2517 515 2885    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 67 1200 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 87 1962  
MINIMUM TEMPERATURE (F) 61 39 1964  
 
 
SUNRISE AND SUNSET  
OCTOBER 21 2017.......SUNRISE 733 AM EDT SUNSET 647 PM EDT  
OCTOBER 22 2017.......SUNRISE 733 AM EDT SUNSET 646 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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