AFOS product CLIIAD
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CDUS41 KLWX 050533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST MON DEC 5 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 4 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         49    221 PM  75    1998  50     -1       49       
  MINIMUM         33    151 AM  10    1966  29      4       24       
  AVERAGE         41                        39      2       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.11          1.18 1993   0.10   0.01     0.00    
  MONTH TO DATE    0.16                      0.40  -0.24     0.41    
  SINCE DEC 1      0.16                      0.40  -0.24     0.41    
  SINCE JAN 1     41.79                     39.13   2.66    36.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1983   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       24                        25     -1       28       
  MONTH TO DATE  121                        99     22       98       
  SINCE DEC 1    121                        99     22       98       
  SINCE JUL 1    860                      1076   -216      903       
                                                                     
 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    23   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     7.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           600 AM                                     
 LOWEST     64           900 PM                                     
 AVERAGE    82                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   49        77      2001                    
 MINIMUM TEMPERATURE (F)   29        12      1966                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  5 2005......SUNRISE   713 AM EST   SUNSET   447 PM EST   
DECEMBER  6 2005......SUNRISE   714 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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