000 
CDUS41 KLWX 300535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
134 AM EDT MON MAY 30 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 29 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         77    451 PM  97    1969  78     -1       73       
  MINIMUM         46    450 AM  40    1997  54     -8       53       
  AVERAGE         62                        66     -4       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.00 1984   0.14  -0.14     0.00    
  MONTH TO DATE    4.82                      3.94   0.88     2.61    
  SINCE MAR 1     13.09                     10.71   2.38     9.70    
  SINCE JAN 1     17.64                     16.53   1.11    13.04    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1      1.2                       3.8   -2.6       T      
  SINCE JUL 1     17.3                      21.2   -3.9     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                         2      1        2       
  MONTH TO DATE  175                       135     40       45       
  SINCE MAR 1   1214                      1167     47      955       
  SINCE JUL 1   4550                      4927   -377     4682       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         4     -4        0       
  MONTH TO DATE   17                        52    -35      200       
  SINCE MAR 1     28                        67    -39      237       
  SINCE JAN 1     28                        67    -39      237       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           300 AM                                     
 LOWEST     31           500 PM                                     
 AVERAGE    62                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      1991                    
 MINIMUM TEMPERATURE (F)   54        38      1996                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 30 2005...........SUNRISE   547 AM EDT   SUNSET   828 PM EDT   
MAY 31 2005...........SUNRISE   547 AM EDT   SUNSET   829 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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