378  
CDUS42 KJAX 180535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT SAT MAR 18 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MARCH 17 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 8:45 PM 86 2015 71 4 78  
MINIMUM 60 1:33 AM 31 1954 53 7 59  
AVERAGE 68 62 6 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.98 1983 0.10 -0.10 0.00  
MONTH TO DATE 0.90 1.88 -0.98 3.46  
SINCE MAR 1 0.90 1.88 -0.98 3.46  
SINCE JAN 1 6.72 7.81 -1.09 6.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 41 100 -59 59  
SINCE MAR 1 41 100 -59 59  
SINCE JUL 1 767 1213 -446 944  
 
COOLING  
YESTERDAY 3 2 1 4  
MONTH TO DATE 76 20 56 45  
SINCE MAR 1 76 20 56 45  
SINCE JAN 1 211 38 173 84    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 8:00 PM  
LOWEST 48 11:00 AM  
AVERAGE 63  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 85 2018  
MINIMUM TEMPERATURE (F) 53 33 1962  
 
SUNRISE AND SUNSET  
MARCH 18 2023.........SUNRISE 7:32 AM EDT SUNSET 7:36 PM EDT  
MARCH 19 2023.........SUNRISE 7:31 AM EDT SUNSET 7:36 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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