121  
CDUS42 KJAX 150535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT SUN OCT 15 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR OCTOBER 14 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1940 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 4:51 PM 90 1986 80 -1 81  
MINIMUM 71 11:59 PM 43 1977 65 6 62  
AVERAGE 75 72 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.25 1964 0.18 -0.18 0.00  
MONTH TO DATE 2.12 2.82 -0.70 1.66  
SINCE SEP 1 11.49 8.82 2.67 9.91  
SINCE JAN 1 43.61 38.87 4.74 46.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 10 8 2 7  
MONTH TO DATE 135 130 5 97  
SINCE SEP 1 598 554 44 521  
SINCE JAN 1 3342 2688 654 2938    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 12:00 AM  
LOWEST 67 5:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 2018  
MINIMUM TEMPERATURE (F) 64 44 1961  
 
SUNRISE AND SUNSET  
OCTOBER 15 2023.......SUNRISE 7:28 AM EDT SUNSET 6:54 PM EDT  
OCTOBER 16 2023.......SUNRISE 7:29 AM EDT SUNSET 6:53 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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