AFOS product CLIIAD
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CDUS41 KLWX 260543
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
143 AM EDT MON MAR 26 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 25 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         66    332 PM  76    2003  58      8       54       
                                      2000                          
                                      1988                          
  MINIMUM         43    434 AM  17    1971  34      9       35       
  AVERAGE         55                        46      9       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.96 1984   0.11  -0.11     0.00    
  MONTH TO DATE    2.93                      2.89   0.04     0.04    
  SINCE MAR 1      2.93                      2.89   0.04     0.04    
  SINCE JAN 1      7.58                      8.71  -1.13     4.82    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1              
  MONTH TO DATE    3.1                       2.9    0.2              
  SINCE AUG 1     14.5                      20.3   -5.8              
  SINCE JUL 1     14.5                      20.3   -5.8              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        19     -9       20       
  MONTH TO DATE  519                       565    -46      501       
  SINCE MAR 1    519                       565    -46      501       
  SINCE JUL 1   3895                      4325   -430     3729       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    4                         0      4        3       
  SINCE MAR 1      4                         0      4        3       
  SINCE JAN 1      4                         0      4        3       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     7.3                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     37           300 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        78      2004                    
 MINIMUM TEMPERATURE (F)   35        17      1983                    

                                                                      
SUNRISE AND SUNSET                                                   
MARCH 26 2007.........SUNRISE   704 AM EDT   SUNSET   727 PM EDT   
MARCH 27 2007.........SUNRISE   703 AM EDT   SUNSET   728 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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