564 
CDUS41 KLWX 300537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
136 AM EDT SUN MAY 30 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 29 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         73    447 PM  97    1969  78     -5       68       
  MINIMUM         53   1129 PM  40    1997  54     -1       50       
  AVERAGE         63                        66     -3       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.00 1984   0.14  -0.14     0.02    
  MONTH TO DATE    2.61                      3.94  -1.33     8.65    
  SINCE MAR 1      9.71                     10.71  -1.00    15.07    
  SINCE JAN 1     13.05                     16.53  -3.48    24.03    
                                                                     
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      T                         3.8   -3.8      1.9     
  SINCE JUL 1     17.4                      21.2   -3.8     50.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         2      0        6       
  MONTH TO DATE   45                       135    -90      177       
  SINCE MAR 1    955                      1167   -212     1165       
  SINCE JUL 1   4680                      4900   -220     5209       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         4     -4        0       
  MONTH TO DATE  200                        52    148       20       
  SINCE MAR 1    237                        67    170       28       
  SINCE JAN 1    237                        67    170       28       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     7.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1100 PM                                     
 LOWEST     29          M400 PM                                     
 AVERAGE    56                                                       
..........................................................
                                                                     
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 2004...........SUNRISE   547 AM EDT   SUNSET   828 PM EDT   
MAY 31 2004...........SUNRISE   546 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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