717  
CDUS42 KJAX 130543  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
143 AM EDT MON MAR 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MARCH 12 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 75 2:17 PM 90 1967 70 5 71  
MINIMUM 56 1:00 AM 33 1998 52 4 39  
AVERAGE 66 61 5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.48 1.22 1951 0.12 0.36 0.84  
MONTH TO DATE 0.89 1.36 -0.47 2.33  
SINCE MAR 1 0.89 1.36 -0.47 2.33  
SINCE JAN 1 6.71 7.29 -0.58 5.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 10  
MONTH TO DATE 9 75 -66 26  
SINCE MAR 1 9 75 -66 26  
SINCE JUL 1 735 1188 -453 911  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 73 12 61 33  
SINCE MAR 1 73 12 61 33  
SINCE JAN 1 208 30 178 72    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 9:00 PM  
LOWEST 57 12:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 86 1950  
MINIMUM TEMPERATURE (F) 52 32 1998  
2022  
 
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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