000 
CDUS41 KLWX 300531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT TUE MAY 30 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 29 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         91    323 PM  97    1969  78     13       77       
  MINIMUM         58    515 AM  40    1997  54      4       46       
  AVERAGE         75                        66      9       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.00 1984   0.14  -0.14     0.00    
  MONTH TO DATE    1.80                      3.94  -2.14     4.82    
  SINCE MAR 1      6.73                     10.71  -3.98    13.09    
  SINCE JAN 1     11.51                     16.53  -5.02    17.64    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.0    0.0      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        0                         2     -2        3       
  MONTH TO DATE  132                       135     -3      175       
  SINCE MAR 1    953                      1167   -214     1214       
  SINCE JUL 1   4181                      4927   -746     4550       
                                                                     
 COOLING                                                             
  YESTERDAY       10                         4      6        0       
  MONTH TO DATE   40                        52    -12       17       
  SINCE MAR 1     52                        67    -15       28       
  SINCE JAN 1     52                        67    -15       28       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     3.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     34           200 PM                                     
 AVERAGE    64                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      1991                    
                                             1987                    
 MINIMUM TEMPERATURE (F)   54        38      1996                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 30 2006...........SUNRISE   547 AM EDT   SUNSET   828 PM EDT   
MAY 31 2006...........SUNRISE   547 AM EDT   SUNSET   829 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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