AFOS product CLIJAX
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CDUS42 KJAX 310627
CLIJAX


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL                             
127 AM EST SUN DEC 31 2017


................................... 

...THE JACKSONVILLE CLIMATE SUMMARY FOR DECEMBER 30 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         56    410 PM  84    2015  65     -9       57       
  MINIMUM         39    212 AM  19    1909  42     -3       32       
                                      1880                          
  AVERAGE         48                        53     -5       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.12 1982   0.09  -0.09     0.00    
  MONTH TO DATE    2.36                      2.71  -0.35     2.29    
  SINCE DEC 1      2.36                      2.71  -0.35     2.29    
  SINCE JAN 1     70.05                     52.30  17.75    38.52    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1917   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE DEC 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        12      5       20       
  MONTH TO DATE  234                       310    -76      163       
  SINCE DEC 1    234                       310    -76      163       
  SINCE JUL 1    330                       483   -153      293       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   44                        23     21       43       
  SINCE DEC 1     44                        23     21       43       
  SINCE JAN 1   3061                      2667    394     2994       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           400 AM                                     
 LOWEST     61           300 PM                                     
 AVERAGE    79                                                       

..........................................................

                                                                     
THE JACKSONVILLE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        82      1988                    
                                             1973                    
 MINIMUM TEMPERATURE (F)   42        19      1917                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2017......SUNRISE   724 AM EST   SUNSET   536 PM EST   
JANUARY  1 2018.......SUNRISE   724 AM EST   SUNSET   537 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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