340  
CDUS42 KJAX 280537  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
137 AM EDT FRI APR 28 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 27 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 83 10:46 AM 94 1986 79 4 77  
MINIMUM 69 6:05 AM 48 2001 63 6 66  
AVERAGE 76 71 5 72  
 
PRECIPITATION (IN)  
YESTERDAY 2.43R 1.12 1964 0.08 2.35 0.05  
MONTH TO DATE 3.20 2.59 0.61 1.91  
SINCE MAR 1 5.40 5.86 -0.46 10.62  
SINCE JAN 1 11.22 11.79 -0.57 13.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 42 -34 22  
SINCE MAR 1 86 194 -108 97  
SINCE JUL 1 812 1307 -495 982  
 
COOLING  
YESTERDAY 11 6 5 7  
MONTH TO DATE 205 111 94 155  
SINCE MAR 1 353 159 194 234  
SINCE JAN 1 488 177 311 273    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 9:00 PM  
LOWEST 56 11:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 92 1985  
MINIMUM TEMPERATURE (F) 63 45 1946  
 
SUNRISE AND SUNSET  
APRIL 28 2023.........SUNRISE 6:44 AM EDT SUNSET 8:03 PM EDT  
APRIL 29 2023.........SUNRISE 6:43 AM EDT SUNSET 8:03 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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