783 
CDUS41 KLWX 040530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT SUN MAY 4 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 3 2003...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         67    400 PM  92    1965  71     -4       66       
  MINIMUM         52    653 AM  32    1963  46      6       41       
  AVERAGE         60                        58      2       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.03 1984   0.13  -0.13     0.00    
  MONTH TO DATE    T                         0.37  -0.37     0.79    
  SINCE MAR 1      6.42                      7.14  -0.72     7.72    
  SINCE JAN 1     14.24                     12.96   1.28     9.41    
                                                                     
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      1.9                       3.8   -1.9      0.0     
  SINCE JUL 1     50.1                      21.2   28.9      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         7     -2       11       
  MONTH TO DATE    5                        22    -17       18       
  SINCE MAR 1    993                      1054    -61      915       
  SINCE JUL 1   5037                      4787    250     3964       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    9                         3      6        6       
  SINCE MAR 1     17                        18     -1       61       
  SINCE JAN 1     17                        18     -1       61       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     8.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1000 PM                                     
 LOWEST     48           400 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
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 2003...........SUNRISE   609 AM EDT   SUNSET   805 PM EDT   
MAY  5 2003...........SUNRISE   608 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.