508  
CDUS42 KJAX 132132  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
532 PM EDT THU APR 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 13 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 2:01 PM 90 2001 76 3 80  
MINIMUM 70 8:46 AM 43 1988 59 11 67  
AVERAGE 75 67 8 74  
 
PRECIPITATION (IN)  
TODAY 0.32 1.41 2009 0.10 0.22 0.00  
MONTH TO DATE 0.67 1.34 -0.67 0.72  
SINCE MAR 1 2.87 4.61 -1.74 9.43  
SINCE JAN 1 8.69 10.54 -1.85 12.49  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 8 29 -21 19  
SINCE MAR 1 86 181 -95 94  
SINCE JUL 1 812 1294 -482 979  
 
COOLING  
TODAY 10 4 6 9  
MONTH TO DATE 96 40 56 53  
SINCE MAR 1 244 88 156 132  
SINCE JAN 1 379 106 273 171    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 10:00 AM  
LOWEST 66 12:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 1970  
MINIMUM TEMPERATURE (F) 59 42 1962  
 
SUNRISE AND SUNSET  
APRIL 13 2023.........SUNRISE 7:00 AM EDT SUNSET 7:53 PM EDT  
APRIL 14 2023.........SUNRISE 6:59 AM EDT SUNSET 7:53 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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