719  
CDUS42 KJAX 092138  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
538 PM EDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 9 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 90 5:25 PM 95 1962 82 8 69  
MINIMUM 73 8:00 AM 49 1960 66 7 57  
AVERAGE 82 74 8 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.95 1980 0.06 -0.06 0.00  
MONTH TO DATE 0.28 0.53 -0.25 0.09  
SINCE MAR 1 6.11 6.62 -0.51 10.71  
SINCE JAN 1 11.93 12.55 -0.62 13.77  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 2  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 86 194 -108 99  
SINCE JUL 1 812 1307 -495 984  
 
COOLING  
TODAY 17 9 8 0  
MONTH TO DATE 80 74 6 94  
SINCE MAR 1 469 254 215 354  
SINCE JAN 1 604 272 332 393    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 49 5:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2017  
MINIMUM TEMPERATURE (F) 67 49 1967  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 6:34 AM EDT SUNSET 8:10 PM EDT  
MAY 10 2023...........SUNRISE 6:34 AM EDT SUNSET 8:11 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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