000 
CDUS41 KLWX 290531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT SAT APR 29 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 28 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         65    452 PM  88    1990  70     -5       68       
                                      1983                          
                                      1981                          
  MINIMUM         41   1138 PM  32    1993  44     -3       45       
                                      1972                          
  AVERAGE         53                        57     -4       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.68 2002   0.12  -0.12     0.00    
  MONTH TO DATE    4.86                      2.98   1.88     3.58    
  SINCE MAR 1      4.93                      6.53  -1.60     7.51    
  SINCE JAN 1      9.71                     12.35  -2.64    12.06    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.4   -0.4      0.0     
  SINCE MAR 1      T                         3.8   -3.8      1.2     
  SINCE JUL 1     14.1                      21.2   -7.1     17.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                         9      3        8       
  MONTH TO DATE  208                       346   -138      279       
  SINCE MAR 1    797                      1016   -219     1023       
  SINCE JUL 1   4025                      4776   -751     4359       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    9                         9      0       11       
  SINCE MAR 1     12                        13     -1       11       
  SINCE JAN 1     12                        13     -1       11       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     9.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           100 AM                                     
 LOWEST     23           600 PM                                     
 AVERAGE    55                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      1974                    
 MINIMUM TEMPERATURE (F)   44        32      1987                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 29 2006.........SUNRISE   614 AM EDT   SUNSET   800 PM EDT   
APRIL 30 2006.........SUNRISE   613 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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