000 
CDUS41 KLWX 020531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT MON MAY 2 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 1 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         64    406 PM  86    1986  71     -7       78       
  MINIMUM         46   1159 PM  33    1996  45      1       61       
  AVERAGE         55                        58     -3       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          1.42 1981   0.12  -0.06     0.17    
  MONTH TO DATE    0.06                      0.12  -0.06     0.17    
  SINCE MAR 1      8.33                      6.89   1.44     7.26    
  SINCE JAN 1     12.88                     12.71   0.17    10.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1963   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       10                         8      2        0       
  MONTH TO DATE   10                         8      2        0       
  SINCE MAR 1   1049                      1040      9      910       
  SINCE JUL 1   4385                      4800   -415     4637       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        5       
  MONTH TO DATE    0                         1     -1        5       
  SINCE MAR 1     11                        16     -5       42       
  SINCE JAN 1     11                        16     -5       42       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     27           500 PM                                     
 AVERAGE    60                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        88      1992                    
 MINIMUM TEMPERATURE (F)   45        34      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  2 2005...........SUNRISE   610 AM EDT   SUNSET   804 PM EDT   
MAY  3 2005...........SUNRISE   609 AM EDT   SUNSET   805 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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