097  
CDUS42 KJAX 100539  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
139 AM EDT MON APR 10 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 9 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 65 11:59 PM 91 2020 75 -10 65  
MINIMUM 52 5:30 AM 40 2007 58 -6 47  
AVERAGE 59 66 -7 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 2.47 1983 0.10 -0.06 0.00  
MONTH TO DATE 0.34 0.92 -0.58 0.72  
SINCE MAR 1 2.54 4.19 -1.65 9.43  
SINCE JAN 1 8.36 10.12 -1.76 12.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 2 4 9  
MONTH TO DATE 6 21 -15 12  
SINCE MAR 1 84 173 -89 87  
SINCE JUL 1 810 1286 -476 972  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 77 25 52 38  
SINCE MAR 1 225 73 152 117  
SINCE JAN 1 360 91 269 156    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 61 11:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 90 2011  
MINIMUM TEMPERATURE (F) 58 41 1964  
 
SUNRISE AND SUNSET  
APRIL 10 2023.........SUNRISE 7:04 AM EDT SUNSET 7:51 PM EDT  
APRIL 11 2023.........SUNRISE 7:02 AM EDT SUNSET 7:51 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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