AFOS product CLIDCA
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CDUS41 KLWX 240530
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1228 AM EST SAT DEC 24 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 23 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         48    133 PM  71    1990  45      3       66       
                                      1875                          
  MINIMUM         31    705 AM   7    1989  31      0       54       
  AVERAGE         40                        38      2       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.67 2015   0.09  -0.09     1.67    
  MONTH TO DATE    1.83                      2.34  -0.51     3.43    
  SINCE DEC 1      1.83                      2.34  -0.51     3.43    
  SINCE JAN 1     30.92                     39.03  -8.11    43.61    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.6  1963   0.0    0.0              
  MONTH TO DATE    T                         1.5   -1.5              
  SINCE JUL 1      T                         2.0   -2.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        27     -2        5       
  MONTH TO DATE  543                       561    -18      349       
  SINCE DEC 1    543                       561    -18      349       
  SINCE JUL 1   1030                      1256   -226      884       
                                                                     
 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    14   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           500 AM                                     
 LOWEST     45          1200 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        71      2015                    
 MINIMUM TEMPERATURE (F)   31         5      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 24 2016......SUNRISE   725 AM EST   SUNSET   452 PM EST   
DECEMBER 25 2016......SUNRISE   725 AM EST   SUNSET   452 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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