AFOS product CLIIAD
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CDUS41 KLWX 150544
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1238 AM EST WED DEC 15 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 14 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         38   1148 AM  67    2001  46     -8       34       
  MINIMUM         27   1159 PM   3    1989  26      1       27       
  AVERAGE         33                        36     -3       31      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.89 2003   0.10  -0.10     0.89    
  MONTH TO DATE    1.69                      1.40   0.29     3.83    
  SINCE DEC 1      1.69                      1.40   0.29     3.83    
  SINCE JAN 1     37.39                     40.13  -2.74    64.97    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.6  2003   0.1   -0.1      3.6     
  MONTH TO DATE    0.0                       0.5   -0.5     11.4     
  SINCE DEC 1      0.0                       0.5   -0.5     11.4     
  SINCE JUL 1      0.0                       1.4   -1.4     11.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                        28      4       34       
  MONTH TO DATE  294                       369    -75      431       
  SINCE DEC 1    294                       369    -75      431       
  SINCE JUL 1   1099                      1346   -247     1257       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1201                      1075    126      993       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    12.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59           700 AM                                     
 LOWEST     41           500 PM                                     
 AVERAGE    50                                                       
..........................................................
                                                                     
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 2004......SUNRISE   722 AM EST   SUNSET   449 PM EST   
DECEMBER 16 2004......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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