AFOS product CLIJAX
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CDUS42 KJAX 210633
CLIJAX


CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL                             
129 AM EST THU DEC 21 2017


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

...THE JACKSONVILLE CLIMATE SUMMARY FOR DECEMBER 20 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    144 PM  82    1990  66     15       52       
  MINIMUM         58    456 AM  19    1981  43     15       47       
  AVERAGE         70                        54     16       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.86 1915   0.10  -0.10      T      
  MONTH TO DATE    2.18                      1.79   0.39     2.08    
  SINCE DEC 1      2.18                      1.79   0.39     2.08    
  SINCE JAN 1     69.87                     51.38  18.49    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       15       
  MONTH TO DATE  139                       191    -52      113       
  SINCE DEC 1    139                       191    -52      113       
  SINCE JUL 1    235                       364   -129      243       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         1      4        0       
  MONTH TO DATE   31                        20     11       34       
  SINCE DEC 1     31                        20     11       34       
  SINCE JAN 1   3048                      2664    384     2985       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    10.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     51           200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE JACKSONVILLE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        83      2013                    
 MINIMUM TEMPERATURE (F)   43        20      1901                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2017......SUNRISE   720 AM EST   SUNSET   530 PM EST   
DECEMBER 22 2017......SUNRISE   720 AM EST   SUNSET   531 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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