717  
CDUS42 KJAX 282133  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EDT FRI APR 28 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 28 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 88 3:55 PM 92 1985 79 9 77  
MINIMUM 68 4:55 AM 45 1946 63 5 67  
AVERAGE 78 71 7 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.78 2000 0.08 -0.08 0.00  
MONTH TO DATE 3.20 2.67 0.53 1.91  
SINCE MAR 1 5.40 5.94 -0.54 10.62  
SINCE JAN 1 11.22 11.87 -0.65 13.68  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 13 7 6 7  
MONTH TO DATE 218 118 100 162  
SINCE MAR 1 366 166 200 241  
SINCE JAN 1 501 184 317 280    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 90 2002  
MINIMUM TEMPERATURE (F) 63 44 1967  
 
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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