AFOS product CLIIAD
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CDUS41 KLWX 310540
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1238 AM EST WED DEC 31 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 30 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         54    701 AM  67    1990  42     12       47       
  MINIMUM         27   1117 PM   4    1963  23      4       23       
  AVERAGE         41                        33      8       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.87 1969   0.10  -0.07     0.00    
  MONTH TO DATE    4.57                      2.97   1.60     3.61    
  SINCE DEC 1      4.57                      2.97   1.60     3.61    
  SINCE JAN 1     65.71                     41.70  24.01    38.18    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.9  1977   0.1   -0.1      0.0     
  MONTH TO DATE   11.4                       2.1    9.3      8.2     
  SINCE DEC 1     11.4                       2.1    9.3      8.2     
  SINCE JUL 1     11.4                       3.0    8.4      8.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        32     -8       30       
  MONTH TO DATE  864                       852     12      952       
  SINCE DEC 1    864                       852     12      952       
  SINCE JUL 1   1690                      1829   -139     1934       
                                                                     
 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    26   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          M600 AM                                     
 LOWEST     41          M100 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        73      1992                    
 MINIMUM TEMPERATURE (F)   23         1      1993                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2003......SUNRISE   728 AM EST   SUNSET   457 PM EST   
JANUARY  1 2004.......SUNRISE   729 AM EST   SUNSET   458 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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