000 
CDUS41 KLWX 080532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT SUN MAY 8 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 7 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         70    137 PM  90    1986  72     -2       87       
                                      2000                          
  MINIMUM         36    518 AM  28    1970  47    -11       53       
  AVERAGE         53                        60     -7       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.51 1967   0.13  -0.13     0.28    
  MONTH TO DATE    0.06                      0.89  -0.83     1.08    
  SINCE MAR 1      8.33                      7.66   0.67     8.17    
  SINCE JAN 1     12.88                     13.48  -0.60    11.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             0.0  2002   0.0   MM        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       12                         6      6        0       
  MONTH TO DATE   96                        48     48       39       
  SINCE MAR 1   1135                      1080     55      949       
  SINCE JUL 1   4471                      4840   -369     4676       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        5       
  MONTH TO DATE    0                         7     -7       13       
  SINCE MAR 1     11                        22    -11       50       
  SINCE JAN 1     11                        22    -11       50       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     6.3                                         
                                                                     
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    85           500 AM                                     
 LOWEST     33           200 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        90      2000                    
 MINIMUM TEMPERATURE (F)   47        29      1974                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  8 2005...........SUNRISE   604 AM EDT   SUNSET   809 PM EDT   
MAY  9 2005...........SUNRISE   603 AM EDT   SUNSET   810 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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