AFOS product CLIIAD
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CDUS41 KLWX 290530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1229 AM EST THU DEC 29 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 28 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         53    345 PM  73    1984  43     10       36       
  MINIMUM         27    337 AM   8    1966  24      3       13       
  AVERAGE         40                        33      7       25      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.74 1967   0.10  -0.10     0.00    
  MONTH TO DATE    2.69                      2.77  -0.08     3.00    
  SINCE DEC 1      2.69                      2.77  -0.08     3.00    
  SINCE JAN 1     44.32                     41.50   2.82    38.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.3  1993   0.1   -0.1      0.0     
  MONTH TO DATE    5.7                       1.9    3.8       T      
  SINCE DEC 1      5.7                       1.9    3.8       T      
  SINCE JUL 1      6.0                       2.8    3.2       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        31     -6       40       
  MONTH TO DATE  900                       788    112      774       
  SINCE DEC 1    900                       788    112      774       
  SINCE JUL 1   1639                      1765   -126     1579       
                                                                     
 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    17   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     3.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           100 AM                                     
 LOWEST     50           200 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        78      1984                    
 MINIMUM TEMPERATURE (F)   23         7      1977                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 29 2005......SUNRISE   728 AM EST   SUNSET   456 PM EST   
DECEMBER 30 2005......SUNRISE   728 AM EST   SUNSET   457 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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