000 
CDUS41 KLWX 210533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST SAT JAN 21 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 20 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         63R   409 PM  57    1991  41     22       37       
  MINIMUM         39    715 AM  -7    1985  21     18       25       
  AVERAGE         51                        31     20       31      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.01 1979   0.10  -0.10      T      
  MONTH TO DATE    1.63                      2.00  -0.37     2.43    
  SINCE DEC 1      4.56                      5.07  -0.51     5.44    
  SINCE JAN 1      1.63                      2.00  -0.37     2.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.6  2000   0.3   -0.3       T      
  MONTH TO DATE    T                         4.8   -4.8      1.0     
  SINCE DEC 1      5.7                       7.0   -1.3      1.0     
  SINCE JUL 1      6.0                       7.9   -1.9      1.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        34    -20       34       
  MONTH TO DATE  459                       661   -202      490       
  SINCE DEC 1   1430                      1545   -115     1326       
  SINCE JUL 1   2169                      2522   -353     2131       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    10.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           700 AM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        59      1990                    
 MINIMUM TEMPERATURE (F)   21       -16      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 21 2006.......SUNRISE   724 AM EST   SUNSET   518 PM EST   
JANUARY 22 2006.......SUNRISE   724 AM EST   SUNSET   520 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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