258  
CDUS42 KJAX 132137  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
537 PM EDT MON MAR 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MARCH 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 71 3:59 PM 86 1950 70 1 51  
MINIMUM 60 10:05 AM 32 1998 52 8 32  
2022  
AVERAGE 66 61 5 42  
 
PRECIPITATION (IN)  
TODAY 0.01 2.34 1980 0.11 -0.10 0.00  
MONTH TO DATE 0.90 1.47 -0.57 2.33  
SINCE MAR 1 0.90 1.47 -0.57 2.33  
SINCE JAN 1 6.72 7.40 -0.68 5.39  
 
SNOWFALL (IN)  
TODAY 0.0 T 1980  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 23  
MONTH TO DATE 9 80 -71 49  
SINCE MAR 1 9 80 -71 49  
SINCE JUL 1 735 1193 -458 934  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 74 13 61 33  
SINCE MAR 1 74 13 61 33  
SINCE JAN 1 209 31 178 72    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 3:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 84 2016  
MINIMUM TEMPERATURE (F) 53 28 1993  
 
SUNRISE AND SUNSET  
MARCH 13 2023.........SUNRISE 7:38 AM EDT SUNSET 7:32 PM EDT  
MARCH 14 2023.........SUNRISE 7:37 AM EDT SUNSET 7:33 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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