000 
CDUS41 KLWX 130533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1231 AM EST SUN MAR 13 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 12 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         50    320 PM  89    1990  53     -3       48       
  MINIMUM         24    631 AM  18    1998  31     -7       33       
  AVERAGE         37                        42     -5       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.41 1968   0.12  -0.12     0.00    
  MONTH TO DATE    0.54                      1.35  -0.81     1.37    
  SINCE MAR 1      0.54                      1.35  -0.81     1.37    
  SINCE JAN 1      5.09                      7.17  -2.08     4.71    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.5  1968   0.1   -0.1      0.0     
  MONTH TO DATE    1.2                       1.6   -0.4       T      
  SINCE MAR 1      1.2                       1.6   -0.4       T      
  SINCE JUL 1     17.3                      19.0   -1.7     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        23      5       24       
  MONTH TO DATE  349                       296     53      204       
  SINCE MAR 1    349                       296     53      204       
  SINCE JUL 1   3685                      4056   -371     3931       
                                                                     
 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    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75           600 AM                                     
 LOWEST     37           500 PM                                     
 AVERAGE    56                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        87      1990                    
 MINIMUM TEMPERATURE (F)   31        16      1998                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 13 2005.........SUNRISE   624 AM EST   SUNSET   615 PM EST   
MARCH 14 2005.........SUNRISE   622 AM EST   SUNSET   616 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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