476  
CDUS42 KJAX 192132  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
532 PM EDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 19 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 80 3:51 PM 95 2022 84 -4 95  
MINIMUM 68 3:34 AM 53 2002 69 -1 74  
AVERAGE 74 77 -3 85  
 
PRECIPITATION (IN)  
TODAY 0.00 1.72 1969 0.06 -0.06 0.00  
MONTH TO DATE 1.35 1.12 0.23 0.31  
SINCE MAR 1 7.18 7.21 -0.03 10.93  
SINCE JAN 1 13.00 13.14 -0.14 13.99  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 86 194 -108 99  
SINCE JUL 1 812 1307 -495 984  
 
COOLING  
TODAY 9 12 -3 20  
MONTH TO DATE 203 179 24 201  
SINCE MAR 1 592 359 233 461  
SINCE JAN 1 727 377 350 500    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 67 4:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2006  
MINIMUM TEMPERATURE (F) 69 52 2002  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 6:28 AM EDT SUNSET 8:17 PM EDT  
MAY 20 2023...........SUNRISE 6:27 AM EDT SUNSET 8:17 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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