000 
CDUS41 KLWX 210531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT TUE JUN 21 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JUNE 20 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         73    434 PM  97    1964  84    -11       74       
  MINIMUM         53    418 AM  48    2000  60     -7       54       
  AVERAGE         63                        72     -9       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.20 1963   0.13  -0.13     0.00    
  MONTH TO DATE    0.90                      2.78  -1.88     2.94    
  SINCE JUN 1      0.90                      2.78  -1.88     2.94    
  SINCE JAN 1     18.58                     19.59  -1.01    16.43    
                                                                     
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 JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1     17.3                      21.2   -3.9     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         0      2        1       
  MONTH TO DATE    9                        21    -12       12       
  SINCE JUN 1      9                        21    -12       12       
  SINCE JUL 1   4562                      4952   -390     4696       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         8     -8        0       
  MONTH TO DATE  164                       117     47      136       
  SINCE JUN 1    164                       117     47      136       
  SINCE JAN 1    192                       192      0      376       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     3.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     49           400 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        98      1988                    
 MINIMUM TEMPERATURE (F)   60        49      1992                    
                                                                     
SUNRISE AND SUNSET                                                   
JUNE 21 2005..........SUNRISE   545 AM EDT   SUNSET   839 PM EDT   
JUNE 22 2005..........SUNRISE   545 AM EDT   SUNSET   839 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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