721  
CDUS42 KJAX 190531  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
131 AM EDT WED APR 19 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 18 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 77 12:07 PM 92 1967 77 0 82  
MINIMUM 52 6:18 AM 41 2001 60 -8 68  
AVERAGE 65 69 -4 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.11 2014 0.09 -0.09 0.01  
MONTH TO DATE 0.77 1.81 -1.04 1.86  
SINCE MAR 1 2.97 5.08 -2.11 10.57  
SINCE JAN 1 8.79 11.01 -2.22 13.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 34 -26 19  
SINCE MAR 1 86 186 -100 94  
SINCE JUL 1 812 1299 -487 979  
 
COOLING  
YESTERDAY 0 5 -5 10  
MONTH TO DATE 134 61 73 99  
SINCE MAR 1 282 109 173 178  
SINCE JAN 1 417 127 290 217    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 11:00 PM  
LOWEST 19 12:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 89 1981  
MINIMUM TEMPERATURE (F) 61 41 1983  
 
SUNRISE AND SUNSET  
APRIL 19 2023.........SUNRISE 6:53 AM EDT SUNSET 7:57 PM EDT  
APRIL 20 2023.........SUNRISE 6:52 AM EDT SUNSET 7:57 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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