AFOS product CLIDCA
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CDUS41 KLWX 140527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1226 AM EST WED DEC 14 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 13 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         47    217 PM  71    2015  47      0       71       
                                      1889                          
  MINIMUM         40    839 AM  11    1960  33      7       48       
  AVERAGE         44                        40      4       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.43 1909   0.09  -0.09     0.00    
  MONTH TO DATE    1.56                      1.39   0.17     1.07    
  SINCE DEC 1      1.56                      1.39   0.17     1.07    
  SINCE JAN 1     30.65                     38.08  -7.43    41.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.7  1966   0.1   -0.1              
  MONTH TO DATE    0.0                       0.8   -0.8              
  SINCE JUL 1      0.0                       1.3   -1.3              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        25     -4        5       
  MONTH TO DATE  273                       299    -26      203       
  SINCE DEC 1    273                       299    -26      203       
  SINCE JUL 1    760                       994   -234      738       
                                                                     
 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    12   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70           700 AM                                     
 LOWEST     57          1000 AM                                     
 AVERAGE    64                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1931                    
                                             1929                    
                                             1881                    
 MINIMUM TEMPERATURE (F)   33         6      1904                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2016......SUNRISE   719 AM EST   SUNSET   447 PM EST   
DECEMBER 15 2016......SUNRISE   720 AM EST   SUNSET   447 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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