AFOS product CLIIAD
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CDUS41 KLWX 270532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1230 AM EST TUE DEC 27 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 26 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         46   1048 AM  71    1964  43      3       32       
  MINIMUM         35    801 AM  -1    1983  24     11       18       
  AVERAGE         41                        34      7       25      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.00 1969   0.10  -0.10     0.00    
  MONTH TO DATE    2.69                      2.57   0.12     3.00    
  SINCE DEC 1      2.69                      2.57   0.12     3.00    
  SINCE JAN 1     44.32                     41.30   3.02    38.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.1  1969   0.1   -0.1      0.0     
  MONTH TO DATE    5.7                       1.7    4.0       T      
  SINCE DEC 1      5.7                       1.7    4.0       T      
  SINCE JUL 1      6.0                       2.6    3.4       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        31     -7       40       
  MONTH TO DATE  847                       726    121      696       
  SINCE DEC 1    847                       726    121      696       
  SINCE JUL 1   1586                      1703   -117     1501       
                                                                     
 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    31   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    10.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     53           200 PM                                     
 AVERAGE    77                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        73      1971                    
 MINIMUM TEMPERATURE (F)   24         1      1989                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 27 2005......SUNRISE   727 AM EST   SUNSET   455 PM EST   
DECEMBER 28 2005......SUNRISE   728 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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