000 
CDUS41 KLWX 150531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT SUN MAY 15 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 14 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         84    251 PM  88    1991  73     11       87       
  MINIMUM         54    431 AM  32    1996  49      5       66       
  AVERAGE         69                        62      7       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.31R         1.05 1978   0.14   1.17     0.00    
  MONTH TO DATE    1.37                      1.84  -0.47     1.27    
  SINCE MAR 1      9.64                      8.61   1.03     8.36    
  SINCE JAN 1     14.19                     14.43  -0.24    11.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      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        0                         5     -5        0       
  MONTH TO DATE  106                        86     20       43       
  SINCE MAR 1   1145                      1118     27      953       
  SINCE JUL 1   4481                      4878   -397     4680       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3       12       
  MONTH TO DATE   13                        14     -1       71       
  SINCE MAR 1     24                        29     -5      108       
  SINCE JAN 1     24                        29     -5      108       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     9.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 PM                                     
 LOWEST     48           300 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        88      1991                    
 MINIMUM TEMPERATURE (F)   50        37      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 15 2005...........SUNRISE   557 AM EDT   SUNSET   816 PM EDT   
MAY 16 2005...........SUNRISE   556 AM EDT   SUNSET   817 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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