000 
CDUS41 KLWX 042128
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
527 PM EDT WED MAY 4 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 3 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         60    201 PM  92    1965  71    -11       56       
  MINIMUM         32R   530 AM  32    1963  46    -14       45       
  AVERAGE         46                        58    -12       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.03 1984   0.13  -0.13     0.10    
  MONTH TO DATE    0.06                      0.37  -0.31     0.80    
  SINCE MAR 1      8.33                      7.14   1.19     7.89    
  SINCE JAN 1     12.88                     12.96  -0.08    11.23    
                                                                     
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       19                         7     12       14       
  MONTH TO DATE   44                        22     22       14       
  SINCE MAR 1   1083                      1054     29      924       
  SINCE JUL 1   4419                      4814   -395     4651       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         3     -3        8       
  SINCE MAR 1     11                        18     -7       45       
  SINCE JAN 1     11                        18     -7       45       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.2                                         
                                                                     
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    89           300 AM                                     
 LOWEST     35          1200 PM                                     
 AVERAGE    62                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        90      2001                    
 MINIMUM TEMPERATURE (F)   46        31      1967                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  4 2005...........SUNRISE   608 AM EDT   SUNSET   805 PM EDT   
MAY  5 2005...........SUNRISE   607 AM EDT   SUNSET   806 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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