550  
CDUS42 KJAX 140535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT SAT OCT 14 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR OCTOBER 13 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 80 5:45 PM 89 2020 80 0 86  
MINIMUM 74 1:07 AM 48 1977 65 9 68  
AVERAGE 77 72 5 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 1.41 2022 0.19 0.02 1.41  
MONTH TO DATE 2.12 2.64 -0.52 1.66  
SINCE SEP 1 11.49 8.64 2.85 9.91  
SINCE JAN 1 43.61 38.69 4.92 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 12 8 4 12  
MONTH TO DATE 125 122 3 90  
SINCE SEP 1 588 546 42 514  
SINCE JAN 1 3332 2680 652 2931    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 10:00 PM  
LOWEST 82 12:00 PM  
AVERAGE 88  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 90 1986  
MINIMUM TEMPERATURE (F) 65 43 1977  
 
SUNRISE AND SUNSET  
OCTOBER 14 2023.......SUNRISE 7:27 AM EDT SUNSET 6:55 PM EDT  
OCTOBER 15 2023.......SUNRISE 7:28 AM EDT SUNSET 6:54 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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