000 
CDUS41 KLWX 070534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT SAT MAY 7 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 6 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         59    751 AM  90    1986  72    -13       77       
  MINIMUM         45    142 AM  36    1968  47     -2       42       
  AVERAGE         52                        59     -7       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.80 1988   0.13  -0.13     0.00    
  MONTH TO DATE    0.06                      0.76  -0.70     0.80    
  SINCE MAR 1      8.33                      7.53   0.80     7.89    
  SINCE JAN 1     12.88                     13.35  -0.47    11.23    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0     
  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       13                         6      7        5       
  MONTH TO DATE   84                        42     42       39       
  SINCE MAR 1   1123                      1074     49      949       
  SINCE JUL 1   4459                      4834   -375     4676       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         6     -6        8       
  SINCE MAR 1     11                        21    -10       45       
  SINCE JAN 1     11                        21    -10       45       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     8.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           800 AM                                     
 LOWEST     38           500 PM                                     
 AVERAGE    62                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        90      1986                    
                                             2000                    
 MINIMUM TEMPERATURE (F)   47        28      1970                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  7 2005...........SUNRISE   605 AM EDT   SUNSET   808 PM EDT   
MAY  8 2005...........SUNRISE   604 AM EDT   SUNSET   809 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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