AFOS product CLIDCA
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CDUS41 KLWX 270522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1222 AM EST TUE DEC 27 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 26 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   1159 PM  72    1889  44      5       60       
  MINIMUM         37   1227 AM   4    1935  30      7       51       
  AVERAGE         43                        37      6       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 2012   0.09  -0.09     0.01    
  MONTH TO DATE    2.37                      2.62  -0.25     3.94    
  SINCE DEC 1      2.37                      2.62  -0.25     3.94    
  SINCE JAN 1     31.46                     39.31  -7.85    44.12    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          10.0  1890   0.1   -0.1              
  MONTH TO DATE    T                         1.8   -1.8              
  SINCE JUL 1      T                         2.3   -2.3              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        28     -6        9       
  MONTH TO DATE  610                       644    -34      360       
  SINCE DEC 1    610                       644    -34      360       
  SINCE JUL 1   1097                      1339   -242      895       
                                                                     
 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    17   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
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    92          1200 AM                                     
 LOWEST     76          1200 PM                                     
 AVERAGE    84                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        72      1971                    
 MINIMUM TEMPERATURE (F)   30         2      1914                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 27 2016......SUNRISE   726 AM EST   SUNSET   453 PM EST   
DECEMBER 28 2016......SUNRISE   726 AM EST   SUNSET   454 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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