AFOS product CLIDCA
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CDUS41 KLWX 280522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1222 AM EST WED DEC 28 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 27 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         68    208 PM  72    1971  44     24       70       
  MINIMUM         49   1214 AM   2    1914  30     19       51       
  AVERAGE         59                        37     22       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.16 1894   0.09  -0.09     0.02    
  MONTH TO DATE    2.37                      2.71  -0.34     3.96    
  SINCE DEC 1      2.37                      2.71  -0.34     3.96    
  SINCE JAN 1     31.46                     39.40  -7.94    44.14    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.3  1939   0.1   -0.1              
  MONTH TO DATE    T                         1.9   -1.9              
  SINCE JUL 1      T                         2.4   -2.4              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                        28    -22        4       
  MONTH TO DATE  616                       672    -56      364       
  SINCE DEC 1    616                       672    -56      364       
  SINCE JUL 1   1103                      1367   -264      899       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        1       
  SINCE DEC 1      0                         0      0        1       
  SINCE JAN 1   1994                      1549    445     1999       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     42           600 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        75      1946                    
 MINIMUM TEMPERATURE (F)   30        10      1914                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 28 2016......SUNRISE   726 AM EST   SUNSET   454 PM EST   
DECEMBER 29 2016......SUNRISE   726 AM EST   SUNSET   455 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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