010 
CDUS41 KLWX 300532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT WED APR 30 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 29 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         75    530 PM  87    1974  70      5       63       
  MINIMUM         48    533 AM  32    1987  44      4       49       
  AVERAGE         62                        57      5       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.04 1990   0.12  -0.11      T      
  MONTH TO DATE    2.61                      3.10  -0.49     3.45    
  SINCE MAR 1      6.32                      6.65  -0.33     6.93    
  SINCE JAN 1     14.14                     12.47   1.67     8.62    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0     MM       
  MONTH TO DATE    T                         0.4   -0.4      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        3                         8     -5        9       
  MONTH TO DATE  343                       354    -11      284       
  SINCE MAR 1    984                      1024    -40      887       
  SINCE JUL 1   5028                      4757    271     3936       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    8                        10     -2       55       
  SINCE MAR 1      8                        14     -6       55       
  SINCE JAN 1      8                        14     -6       55       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     4.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     57           500 PM                                     
 AVERAGE    79                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        86      1974                    
 MINIMUM TEMPERATURE (F)   45        29      1977                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 30 2003.........SUNRISE   614 AM EDT   SUNSET   801 PM EDT   
MAY  1 2003...........SUNRISE   612 AM EDT   SUNSET   802 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.