000 
CDUS41 KLWX 100530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT MON APR 10 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 9 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         56    457 PM  89    2001  64     -8       67       
  MINIMUM         34    636 AM  23    1977  38     -4       42       
  AVERAGE         45                        51     -6       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.02 1998   0.10  -0.10     0.00    
  MONTH TO DATE    1.11                      0.96   0.15     2.58    
  SINCE MAR 1      1.18                      4.51  -3.33     6.51    
  SINCE JAN 1      5.96                     10.33  -4.37    11.06    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.6  1982   T      0.0      0.0     
  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       20                        14      6       10       
  MONTH TO DATE   87                       136    -49       86       
  SINCE MAR 1    676                       806   -130      830       
  SINCE JUL 1   3904                      4566   -662     4166       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        7       
  SINCE MAR 1      4                         4      0        7       
  SINCE JAN 1      4                         4      0        7       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     7.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82          1000 PM                                     
 LOWEST     26           500 PM                                     
 AVERAGE    54                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        78      1992                    
 MINIMUM TEMPERATURE (F)   39        19      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 10 2006.........SUNRISE   641 AM EDT   SUNSET   742 PM EDT   
APRIL 11 2006.........SUNRISE   639 AM EDT   SUNSET   743 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$