621  
CDUS42 KJAX 212146  
CLIJAX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
546 PM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE JACKSONVILLE CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 12:02 PM 97 1990 86 0 88  
MINIMUM 72 4:03 AM 49 1897 70 2 69  
AVERAGE 79 78 1 79  
 
PRECIPITATION (IN)  
TODAY 0.00 5.27 1897 0.25 -0.25 0.00  
MONTH TO DATE 4.10 5.31 -1.21 4.86  
SINCE SEP 1 4.10 5.31 -1.21 4.86  
SINCE JAN 1 40.30 42.34 -2.04 49.70  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 14 13 1 14  
MONTH TO DATE 308 308 0 318  
SINCE SEP 1 308 308 0 318  
SINCE JAN 1 2757 2391 366 2480    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE JACKSONVILLE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 96 1990  
MINIMUM TEMPERATURE (F) 70 49 1897  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 7:14 AM EDT SUNSET 7:25 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 7:15 AM EDT SUNSET 7:24 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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