000 
CDUS41 KLWX 280531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT THU APR 28 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 27 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         68    353 PM  92    1990  69     -1       66       
  MINIMUM         51    549 AM  31    1987  44      7       41       
  AVERAGE         60                        57      3       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.65 1973   0.11  -0.09      T      
  MONTH TO DATE    3.58                      2.86   0.72     5.04    
  SINCE MAR 1      7.51                      6.41   1.10     7.09    
  SINCE JAN 1     12.06                     12.23  -0.17    10.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1994   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4      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        5                         9     -4       11       
  MONTH TO DATE  271                       337    -66      314       
  SINCE MAR 1   1015                      1007      8      888       
  SINCE JUL 1   4351                      4767   -416     4615       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   11                         8      3       36       
  SINCE MAR 1     11                        12     -1       36       
  SINCE JAN 1     11                        12     -1       36       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     9.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           500 AM                                     
 LOWEST     30           400 PM                                     
 AVERAGE    63                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        88      1990                    
 MINIMUM TEMPERATURE (F)   44        32      1993                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 28 2005.........SUNRISE   615 AM EDT   SUNSET   800 PM EDT   
APRIL 29 2005.........SUNRISE   614 AM EDT   SUNSET   801 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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