712  
CDUS42 KJAX 130533  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
133 AM EDT THU APR 13 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 12 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 77 2:34 PM 92 1965 75 2 78  
MINIMUM 62 2:03 AM 42 1989 59 3 63  
AVERAGE 70 67 3 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.92 1961 0.11 -0.11 0.00  
MONTH TO DATE 0.35 1.24 -0.89 0.72  
SINCE MAR 1 2.55 4.51 -1.96 9.43  
SINCE JAN 1 8.37 10.44 -2.07 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 8 27 -19 19  
SINCE MAR 1 86 179 -93 94  
SINCE JUL 1 812 1292 -480 979  
 
COOLING  
YESTERDAY 5 4 1 6  
MONTH TO DATE 86 36 50 44  
SINCE MAR 1 234 84 150 123  
SINCE JAN 1 369 102 267 162    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 7:00 AM  
LOWEST 57 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2001  
MINIMUM TEMPERATURE (F) 59 43 1988  
 
SUNRISE AND SUNSET  
APRIL 13 2023.........SUNRISE 7:00 AM EDT SUNSET 7:53 PM EDT  
APRIL 14 2023.........SUNRISE 6:59 AM EDT SUNSET 7:53 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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