176  
CDUS42 KJAX 170535  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT MON APR 17 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 16 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 83 2:34 PM 92 1972 76 7 80  
MINIMUM 70 6:58 AM 39 1962 60 10 65  
AVERAGE 77 68 9 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.98 1956 0.10 -0.09 0.00  
MONTH TO DATE 0.77 1.63 -0.86 0.72  
SINCE MAR 1 2.97 4.90 -1.93 9.43  
SINCE JAN 1 8.79 10.83 -2.04 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 8 32 -24 19  
SINCE MAR 1 86 184 -98 94  
SINCE JUL 1 812 1297 -485 979  
 
COOLING  
YESTERDAY 12 4 8 8  
MONTH TO DATE 129 52 77 80  
SINCE MAR 1 277 100 177 159  
SINCE JAN 1 412 118 294 198    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 88 2006  
MINIMUM TEMPERATURE (F) 60 38 1962  
 
SUNRISE AND SUNSET  
APRIL 17 2023.........SUNRISE 6:56 AM EDT SUNSET 7:55 PM EDT  
APRIL 18 2023.........SUNRISE 6:54 AM EDT SUNSET 7:56 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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