155  
CDUS42 KJAX 202152  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
552 PM EDT THU JUL 20 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 20 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 98 1:37 PM 104 1986 91 7 92  
MINIMUM 82 6:38 AM 69 1967 76 6 75  
AVERAGE 90 84 6 84  
 
PRECIPITATION (IN)  
TODAY 0.00 2.94 1956 0.14 -0.14 1.17  
MONTH TO DATE 3.29 2.61 0.68 10.05  
SINCE JUN 1 8.45 8.37 0.08 13.05  
SINCE JAN 1 23.11 22.68 0.43 28.79  
 
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 25 19 6 19  
MONTH TO DATE 459 368 91 381  
SINCE JUN 1 984 846 138 938  
SINCE JAN 1 1829 1377 452 1624    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 97 1986  
MINIMUM TEMPERATURE (F) 76 69 1966  
 
SUNRISE AND SUNSET  
JULY 20 2023..........SUNRISE 6:35 AM EDT SUNSET 8:29 PM EDT  
JULY 21 2023..........SUNRISE 6:36 AM EDT SUNSET 8:28 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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