421  
CDUS42 KJAX 150535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT SAT APR 15 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 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 83 11:56 AM 87 1970 76 7 85  
MINIMUM 68 5:48 AM 42 1962 59 9 68  
AVERAGE 76 68 8 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.17 1975 0.10 -0.01 0.00  
MONTH TO DATE 0.76 1.44 -0.68 0.72  
SINCE MAR 1 2.96 4.71 -1.75 9.43  
SINCE JAN 1 8.78 10.64 -1.86 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 30 -22 19  
SINCE MAR 1 86 182 -96 94  
SINCE JUL 1 812 1295 -483 979  
 
COOLING  
YESTERDAY 11 4 7 12  
MONTH TO DATE 107 44 63 65  
SINCE MAR 1 255 92 163 144  
SINCE JAN 1 390 110 280 183    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 56 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2006  
MINIMUM TEMPERATURE (F) 60 40 1950  
 
SUNRISE AND SUNSET  
APRIL 15 2023.........SUNRISE 6:58 AM EDT SUNSET 7:54 PM EDT  
APRIL 16 2023.........SUNRISE 6:57 AM EDT SUNSET 7:55 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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