876  
CDUS42 KJAX 202234  
CLISSI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
534 PM EST FRI JAN 20 2023  
   
...............................
 
 
   
..THE ST SIMONS ISLAND CLIMATE SUMMARY FOR JANUARY 20 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 72 3:25 PM 80 2017 62 10 71  
MINIMUM 52 7:42 AM 17 1985 44 8 46  
AVERAGE 62 53 9 59  
 
PRECIPITATION (IN)  
TODAY 0.00 1.06 1948 0.11 -0.11 T  
MONTH TO DATE 1.58 1.90 -0.32 1.67  
SINCE DEC 1 2.61 4.65 -2.04 2.82  
SINCE JAN 1 1.58 1.90 -0.32 1.67  
 
SNOWFALL (IN)  
TODAY 0.0 T 1985  
 
DEGREE DAYS  
HEATING  
TODAY 3 12 -9 6  
MONTH TO DATE 148 240 -92 202  
SINCE DEC 1 436 542 -106 309  
SINCE JUL 1 551 710 -159 501  
 
COOLING  
TODAY 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 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 25 4:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE ST SIMONS ISLAND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 79 1974  
MINIMUM TEMPERATURE (F) 44 6 1985  
 
SUNRISE AND SUNSET  
JANUARY 20 2023.......SUNRISE 7:23 AM EST SUNSET 5:50 PM EST  
JANUARY 21 2023.......SUNRISE 7:23 AM EST SUNSET 5:51 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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