000 
CDUS41 KLWX 040552
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1250 AM EST SUN DEC 4 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 3 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         36    230 PM  74    1998  50    -14       51       
  MINIMUM         21    521 AM   7    1976  29     -8       27       
  AVERAGE         29                        39    -10       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          1.14 1967   0.10  -0.05     0.00    
  MONTH TO DATE    0.05                      0.30  -0.25     0.41    
  SINCE DEC 1      0.05                      0.30  -0.25     0.41    
  SINCE JAN 1     41.68                     39.03   2.65    36.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T   R         T    1989   T      0.0      0.0     
  MONTH TO DATE    T                         T      0.0      0.0     
  SINCE DEC 1      T                         T      0.0      0.0     
  SINCE JUL 1      0.3                       0.9   -0.6      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        25     11       26       
  MONTH TO DATE   97                        74     23       70       
  SINCE DEC 1     97                        74     23       70       
  SINCE JUL 1    836                      1051   -215      875       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1373                      1075    298     1201       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  SLEET                                                              
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72          1100 PM                                     
 LOWEST     29          1200 PM                                     
 AVERAGE    51                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   50        75      1998                    
 MINIMUM TEMPERATURE (F)   29        10      1966                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  4 2005......SUNRISE   713 AM EST   SUNSET   448 PM EST   
DECEMBER  5 2005......SUNRISE   713 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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