626  
CDUS42 KJAX 172133  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EDT MON JUL 17 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 17 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 96 2:00 PM 98 1983 91 5 87  
MINIMUM 80 MM 69 1967 76 4 76  
AVERAGE 88 84 4 82  
 
PRECIPITATION (IN)  
TODAY 0.26 2.00 1967 0.12 0.14 0.21  
MONTH TO DATE 2.92 2.20 0.72 7.51  
SINCE JUN 1 8.08 7.96 0.12 10.51  
SINCE JAN 1 22.74 22.27 0.47 26.25  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 23 19 4 17  
MONTH TO DATE 389 311 78 326  
SINCE JUN 1 914 789 125 883  
SINCE JAN 1 1759 1320 439 1569    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 97 1986  
MINIMUM TEMPERATURE (F) 76 69 1967  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 6:33 AM EDT SUNSET 8:30 PM EDT  
JULY 18 2023..........SUNRISE 6:34 AM EDT SUNSET 8:30 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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