AFOS product CLIIAD
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CDUS41 KLWX 260530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1229 AM EST MON DEC 26 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 25 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         39    705 PM  71    1982  43     -4       31       
  MINIMUM         24    345 AM  -4    1989  24      0       17       
  AVERAGE         32                        34     -2       24      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.55          0.82 1969   0.09   0.46     0.00    
  MONTH TO DATE    2.69                      2.47   0.22     3.00    
  SINCE DEC 1      2.69                      2.47   0.22     3.00    
  SINCE JAN 1     44.32                     41.20   3.12    38.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.0  1969   0.1   -0.1      0.0     
  MONTH TO DATE    5.7                       1.6    4.1       T      
  SINCE DEC 1      5.7                       1.6    4.1       T      
  SINCE JUL 1      6.0                       2.5    3.5       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       33                        31      2       41       
  MONTH TO DATE  823                       695    128      656       
  SINCE DEC 1    823                       695    128      656       
  SINCE JUL 1   1562                      1672   -110     1461       
                                                                     
 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     7   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     2.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 PM                                     
 LOWEST     76           900 AM                                     
 AVERAGE    88                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        71      1964                    
 MINIMUM TEMPERATURE (F)   24        -1      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 26 2005......SUNRISE   727 AM EST   SUNSET   454 PM EST   
DECEMBER 27 2005......SUNRISE   727 AM EST   SUNSET   455 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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