112  
CDUS42 KJAX 300534  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
134 AM EDT SUN APR 30 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 29 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 84 12:55 PM 90 2002 80 4 79  
MINIMUM 72 3:58 AM 44 1967 63 9 68  
AVERAGE 78 71 7 74  
 
PRECIPITATION (IN)  
YESTERDAY T 0.60 1958 0.08 -0.08 0.00  
MONTH TO DATE 3.22 2.75 0.47 1.91  
SINCE MAR 1 5.42 6.02 -0.60 10.62  
SINCE JAN 1 11.24 11.95 -0.71 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 13 7 6 9  
MONTH TO DATE 231 125 106 171  
SINCE MAR 1 379 173 206 250  
SINCE JAN 1 514 191 323 289    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1:00 AM  
LOWEST 55 11:00 AM  
AVERAGE 70  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 89 2021  
MINIMUM TEMPERATURE (F) 64 48 2008  
 
SUNRISE AND SUNSET  
APRIL 30 2023.........SUNRISE 6:42 AM EDT SUNSET 8:04 PM EDT  
MAY 1 2023...........SUNRISE 6:41 AM EDT SUNSET 8:05 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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