000 
CDUS41 KLWX 180532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1231 AM EST FRI MAR 18 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 17 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         47    440 PM  77    1963  55     -8       38       
  MINIMUM         32   1148 PM  16    1970  32      0       29       
  AVERAGE         40                        44     -4       34      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.14 1993   0.12  -0.12     0.01    
  MONTH TO DATE    0.54                      1.95  -1.41     1.65    
  SINCE MAR 1      0.54                      1.95  -1.41     1.65    
  SINCE JAN 1      5.09                      7.77  -2.68     4.99    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.9  1965   0.1   -0.1       T      
  MONTH TO DATE    1.2                       2.1   -0.9       T      
  SINCE MAR 1      1.2                       2.1   -0.9       T      
  SINCE JUL 1     17.3                      19.5   -2.2     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        21      4       31       
  MONTH TO DATE  480                       406     74      319       
  SINCE MAR 1    480                       406     74      319       
  SINCE JUL 1   3816                      4166   -350     4046       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75          1100 PM                                     
 LOWEST     34           300 PM                                     
 AVERAGE    55                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        80      1989                    
 MINIMUM TEMPERATURE (F)   32        13      1976                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 18 2005.........SUNRISE   616 AM EST   SUNSET   620 PM EST   
MARCH 19 2005.........SUNRISE   615 AM EST   SUNSET   621 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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