628  
CDUS42 KJAX 090539  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
139 AM EDT SUN JUL 09 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 8 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 99R 3:51 PM 97 2016 91 8 92  
MINIMUM 80 6:23 AM 66 1972 76 4 77  
AVERAGE 90 83 7 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.73 1967 0.13 -0.13 0.00  
MONTH TO DATE 0.66 1.07 -0.41 5.00  
SINCE JUN 1 5.82 6.83 -1.01 8.00  
SINCE JAN 1 20.48 21.14 -0.66 23.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 25 18 7 20  
MONTH TO DATE 186 144 42 159  
SINCE JUN 1 711 622 89 716  
SINCE JAN 1 1556 1153 403 1402    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 43 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 101 2010  
MINIMUM TEMPERATURE (F) 76 68 1972  
 
SUNRISE AND SUNSET  
JULY 9 2023..........SUNRISE 6:29 AM EDT SUNSET 8:33 PM EDT  
JULY 10 2023..........SUNRISE 6:29 AM EDT SUNSET 8:32 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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