000 
CDUS41 KLWX 280529
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT FRI APR 28 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 27 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         72    206 PM  92    1990  69      3       68       
  MINIMUM         38    543 AM  31    1987  44     -6       51       
                                      1972                          
  AVERAGE         55                        57     -2       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.65 1973   0.11  -0.11     0.02    
  MONTH TO DATE    4.86                      2.86   2.00     3.58    
  SINCE MAR 1      4.93                      6.41  -1.48     7.51    
  SINCE JAN 1      9.71                     12.23  -2.52    12.06    
                                                                     
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      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       10                         9      1        5       
  MONTH TO DATE  196                       337   -141      271       
  SINCE MAR 1    785                      1007   -222     1015       
  SINCE JUL 1   4013                      4767   -754     4351       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    9                         8      1       11       
  SINCE MAR 1     12                        12      0       11       
  SINCE JAN 1     12                        12      0       11       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     3.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           100 AM                                     
 LOWEST     26          1200 PM                                     
 AVERAGE    56                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        88      1990                    
                                             1983                    
                                             1981                    
 MINIMUM TEMPERATURE (F)   44        32      1993                    
                                             1972                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 28 2006.........SUNRISE   616 AM EDT   SUNSET   759 PM EDT   
APRIL 29 2006.........SUNRISE   614 AM EDT   SUNSET   800 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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