280  
CDUS42 KJAX 090536  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
136 AM EDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR MAY 8 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 87 12:54 PM 94 1959 82 5 77  
MINIMUM 69 6:06 AM 48 1992 66 3 61  
AVERAGE 78 74 4 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1985 0.05 -0.05 0.00  
MONTH TO DATE 0.28 0.47 -0.19 0.09  
SINCE MAR 1 6.11 6.56 -0.45 10.71  
SINCE JAN 1 11.93 12.49 -0.56 13.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 86 194 -108 97  
SINCE JUL 1 812 1307 -495 982  
 
COOLING  
YESTERDAY 13 9 4 4  
MONTH TO DATE 63 65 -2 94  
SINCE MAR 1 452 245 207 354  
SINCE JAN 1 587 263 324 393    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 5:00 AM  
LOWEST 45 1:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1962  
MINIMUM TEMPERATURE (F) 66 49 1960  
 
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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