650  
CDUS42 KJAX 100545  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
145 AM EDT MON JUL 10 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 9 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 97 4:49 PM 101 2010 91 6 93  
MINIMUM 82 11:59 PM 68 1972 76 6 78  
AVERAGE 90 83 7 86  
 
PRECIPITATION (IN)  
YESTERDAY T 2.13 1953 0.14 -0.14 T  
MONTH TO DATE 0.66 1.21 -0.55 5.00  
SINCE JUN 1 5.82 6.97 -1.15 8.00  
SINCE JAN 1 20.48 21.28 -0.80 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 21  
MONTH TO DATE 211 162 49 180  
SINCE JUN 1 736 640 96 737  
SINCE JAN 1 1581 1171 410 1423    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 2:00 AM  
LOWEST 48 5:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 99 1980  
MINIMUM TEMPERATURE (F) 76 70 1963  
 
SUNRISE AND SUNSET  
JULY 10 2023..........SUNRISE 6:29 AM EDT SUNSET 8:32 PM EDT  
JULY 11 2023..........SUNRISE 6:30 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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