000 
CDUS41 KLWX 150534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST MON DEC 15 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 14 2003...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         34   1223 PM  67    2001  46    -12       45       
  MINIMUM         27    446 AM   3    1989  26      1       35       
  AVERAGE         31                        36     -5       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.89R         0.87 1981   0.10   0.79     0.04    
  MONTH TO DATE    3.83                      1.40   2.43     2.31    
  SINCE DEC 1      3.83                      1.40   2.43     2.31    
  SINCE JAN 1     64.97                     40.13  24.84    36.88    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        3.6 R         0.2  1969   0.1    3.5      0.0     
  MONTH TO DATE   11.4                       0.5   10.9      6.2     
  SINCE DEC 1     11.4                       0.5   10.9      6.2     
  SINCE JUL 1     11.4                       1.4   10.0      6.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       34                        28      6       25       
  MONTH TO DATE  431                       369     62      508       
  SINCE DEC 1    431                       369     62      508       
  SINCE JUL 1   1257                      1346    -89     1490       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    993                      1075    -82     1345       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FREEZING RAIN                                                      
  LT FREEZING RAIN                                                   
  HEAVY SNOW                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
  SLEET                                                              
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1000 AM                                     
 LOWEST     54          1200 AM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        71      1971                    
 MINIMUM TEMPERATURE (F)   26         5      1989                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 15 2003......SUNRISE   721 AM EST   SUNSET   449 PM EST   
DECEMBER 16 2003......SUNRISE   722 AM EST   SUNSET   449 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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