900  
CDUS42 KJAX 220536  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
136 AM EDT SAT JUL 22 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JULY 21 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 102R 3:55 PM 97 1986 91 11 93  
MINIMUM 82 5:59 AM 69 1966 76 6 76  
AVERAGE 92 84 8 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.51 1966 0.14 -0.14 T  
MONTH TO DATE 3.29 2.75 0.54 10.05  
SINCE JUN 1 8.45 8.51 -0.06 13.05  
SINCE JAN 1 23.11 22.82 0.29 28.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1941  
 
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 27 19 8 20  
MONTH TO DATE 486 387 99 401  
SINCE JUN 1 1011 865 146 958  
SINCE JAN 1 1856 1396 460 1644    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 10:00 PM  
LOWEST 44 5:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 101 1977  
MINIMUM TEMPERATURE (F) 76 69 1967  
 
SUNRISE AND SUNSET  
JULY 22 2023..........SUNRISE 6:36 AM EDT SUNSET 8:28 PM EDT  
JULY 23 2023..........SUNRISE 6:37 AM EDT SUNSET 8:27 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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