AFOS product CLISDF
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CDUS43 KLMK 210631
CLISDF


CLIMATE REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY                               
130 AM EST THU DEC 21 2017


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

...THE LOUISVILLE KY 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         56    313 PM  70    1949  44     12       42       
  MINIMUM         38   1105 PM   0    1901  29      9       16       
  AVERAGE         47                        37     10       29      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 1951   0.12  -0.12     0.00    
  MONTH TO DATE    0.99                      2.47  -1.48     4.03    
  SINCE DEC 1      0.99                      2.47  -1.48     4.03    
  SINCE JAN 1     42.82                     43.55  -0.73    42.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.7  1942   0.1   -0.1      0.0     
  MONTH TO DATE    T                         1.4   -1.4       T      
  SINCE DEC 1      T                         1.4   -1.4       T      
  SINCE JUL 1      T                         1.6   -1.6       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        28    -10       36       
  MONTH TO DATE  481                       519    -38      594       
  SINCE DEC 1    481                       519    -38      594       
  SINCE JUL 1   1147                      1254   -107     1061       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1789                      1613    176     2082       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     6.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     21           500 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE LOUISVILLE KY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        70      2013                    
 MINIMUM TEMPERATURE (F)   29        -9      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2017......SUNRISE   756 AM EST   SUNSET   526 PM EST   
DECEMBER 22 2017......SUNRISE   756 AM EST   SUNSET   527 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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