AFOS product CLIJAX
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CDUS42 KJAX 190628
CLIJAX


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL                             
128 AM EST TUE DEC 19 2017


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

...THE JACKSONVILLE CLIMATE SUMMARY FOR DECEMBER 18 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         81   1246 PM  83    2016  66     15       83       
  MINIMUM         57    608 AM  25    1988  43     14       58       
  AVERAGE         69                        55     14       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.54 1891   0.10  -0.10      T      
  MONTH TO DATE    2.18                      1.59   0.59     2.08    
  SINCE DEC 1      2.18                      1.59   0.59     2.08    
  SINCE JAN 1     69.87                     51.18  18.69    38.31    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   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        0                        11    -11        0       
  MONTH TO DATE  139                       169    -30       95       
  SINCE DEC 1    139                       169    -30       95       
  SINCE JUL 1    235                       342   -107      225       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3        6       
  MONTH TO DATE   20                        18      2       34       
  SINCE DEC 1     20                        18      2       34       
  SINCE JAN 1   3037                      2662    375     2985       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     62          1200 PM                                     
 AVERAGE    81                                                       

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

                                                                     
THE JACKSONVILLE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        83      1967                    
 MINIMUM TEMPERATURE (F)   43        23      1981                    
                                             1975                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2017......SUNRISE   719 AM EST   SUNSET   529 PM EST   
DECEMBER 20 2017......SUNRISE   719 AM EST   SUNSET   530 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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