464  
CDUS42 KJAX 190535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT WED JUL 19 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 18 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 94 3:36 PM 97 1986 91 3 88  
MINIMUM 79 6:31 AM 69 1967 76 3 75  
AVERAGE 87 84 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.85 1961 0.13 -0.13 1.16  
MONTH TO DATE 3.29 2.33 0.96 8.67  
SINCE JUN 1 8.45 8.09 0.36 11.67  
SINCE JAN 1 23.11 22.40 0.71 27.41  
 
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 22 19 3 17  
MONTH TO DATE 411 330 81 343  
SINCE JUN 1 936 808 128 900  
SINCE JAN 1 1781 1339 442 1586    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 102 1986  
MINIMUM TEMPERATURE (F) 76 69 2002  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 6:34 AM EDT SUNSET 8:29 PM EDT  
JULY 20 2023..........SUNRISE 6:35 AM EDT SUNSET 8:29 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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