305  
CDUS42 KJAX 230640  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
140 AM EST MON JAN 23 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JANUARY 22 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 73 8:07 PM 77 1954 62 11 42  
MINIMUM 53 4:01 AM 18 1985 44 9 35  
AVERAGE 63 53 10 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.87 2.69 2017 0.11 0.76 0.03  
MONTH TO DATE 2.46 2.13 0.33 1.78  
SINCE DEC 1 3.49 4.88 -1.39 2.93  
SINCE JAN 1 2.46 2.13 0.33 1.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 12 -10 26  
MONTH TO DATE 164 264 -100 245  
SINCE DEC 1 452 566 -114 352  
SINCE JUL 1 567 734 -167 544  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 0 8 14  
SINCE DEC 1 37 15 22 67  
SINCE JAN 1 8 0 8 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 9:00 AM  
LOWEST 73 8:00 PM  
AVERAGE 83  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 79 1962  
MINIMUM TEMPERATURE (F) 44 25 1960  
 
SUNRISE AND SUNSET  
JANUARY 23 2023.......SUNRISE 7:22 AM EST SUNSET 5:53 PM EST  
JANUARY 24 2023.......SUNRISE 7:22 AM EST SUNSET 5:54 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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