AFOS product CLIDCA
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CDUS41 KLWX 150529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1227 AM EST THU DEC 15 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 14 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         49    140 PM  70    1931  47      2       69       
                                      1929                          
                                      1881                          
  MINIMUM         37    745 AM   6    1904  33      4       53       
  AVERAGE         43                        40      3       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.89 1879   0.10  -0.10     0.13    
  MONTH TO DATE    1.56                      1.49   0.07     1.20    
  SINCE DEC 1      1.56                      1.49   0.07     1.20    
  SINCE JAN 1     30.65                     38.18  -7.53    41.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.6  2003   0.1   -0.1              
  MONTH TO DATE    0.0                       0.9   -0.9              
  SINCE JUL 1      0.0                       1.4   -1.4              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        25     -3        4       
  MONTH TO DATE  295                       324    -29      207       
  SINCE DEC 1    295                       324    -29      207       
  SINCE JUL 1    782                      1019   -237      742       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1994                      1549    445     1998       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           400 AM                                     
 LOWEST     34           300 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        71      1971                    
 MINIMUM TEMPERATURE (F)   33         6      1904                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 15 2016......SUNRISE   720 AM EST   SUNSET   447 PM EST   
DECEMBER 16 2016......SUNRISE   720 AM EST   SUNSET   448 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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