326  
CDUS42 KJAX 272133  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EDT WED OCT 27 2021  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR OCTOBER 27 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1940 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 1:18 PM 85 2019 76 -4 81  
MINIMUM 55 7:21 AM 39 1962 59 -4 73  
AVERAGE 64 68 -4 77  
 
PRECIPITATION (IN)  
TODAY 0.00 5.02 1997 0.08 -0.08 0.00  
MONTH TO DATE 2.46 4.38 -1.92 2.42  
SINCE SEP 1 6.65 10.38 -3.73 11.37  
SINCE JAN 1 39.57 40.43 -0.86 45.22  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 1 2 -1 0  
MONTH TO DATE 2 12 -10 0  
SINCE SEP 1 2 12 -10 0  
SINCE JUL 1 2 12 -10 0  
 
COOLING  
TODAY 0 4 -4 12  
MONTH TO DATE 236 203 33 268  
SINCE SEP 1 644 627 17 697  
SINCE JAN 1 2814 2761 53 3052    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 53 11:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 1963  
MINIMUM TEMPERATURE (F) 59 37 1957  
 
SUNRISE AND SUNSET  
OCTOBER 27 2021.......SUNRISE 7:37 AM EDT SUNSET 6:41 PM EDT  
OCTOBER 28 2021.......SUNRISE 7:38 AM EDT SUNSET 6:40 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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