767  
CDUS42 KJAX 172133  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
533 PM EDT MON APR 17 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR APRIL 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 3:24 PM 88 2006 77 2 81  
MINIMUM 64 7:11 AM 38 1962 60 4 67  
AVERAGE 72 68 4 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.13 2022 0.09 -0.09 1.13  
MONTH TO DATE 0.77 1.72 -0.95 1.85  
SINCE MAR 1 2.97 4.99 -2.02 10.56  
SINCE JAN 1 8.79 10.92 -2.13 13.62  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 8 33 -25 19  
SINCE MAR 1 86 185 -99 94  
SINCE JUL 1 812 1298 -486 979  
 
COOLING  
TODAY 7 4 3 9  
MONTH TO DATE 136 56 80 89  
SINCE MAR 1 284 104 180 168  
SINCE JAN 1 419 122 297 207    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 2:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1967  
MINIMUM TEMPERATURE (F) 60 41 2001  
 
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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