844  
CDUS42 KJAX 280539  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
139 AM EDT SUN MAY 28 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 27 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 66 3:18 PM 98 2019 85 -19 85  
MINIMUM 59 9:46 AM 56 1961 71 -12 74  
AVERAGE 63 78 -15 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 2.21 1972 0.11 0.18 0.68  
MONTH TO DATE 2.91 1.81 1.10 2.06  
SINCE MAR 1 8.74 7.90 0.84 12.68  
SINCE JAN 1 14.56 13.83 0.73 15.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 2 0 2 2  
SINCE MAR 1 88 194 -106 99  
SINCE JUL 1 814 1307 -493 984  
 
COOLING  
YESTERDAY 0 13 -13 15  
MONTH TO DATE 282 278 4 323  
SINCE MAR 1 671 458 213 583  
SINCE JAN 1 806 476 330 622    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 PM  
LOWEST 68 12:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 2019  
MINIMUM TEMPERATURE (F) 71 54 1961  
 
SUNRISE AND SUNSET  
MAY 28 2023...........SUNRISE 6:24 AM EDT SUNSET 8:22 PM EDT  
MAY 29 2023...........SUNRISE 6:23 AM EDT SUNSET 8:23 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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