AFOS product CLIIAD
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CDUS41 KLWX 230541
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
139 AM EDT FRI MAR 23 2007
 ................................... 

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 22 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         75    428 PM  83    1968  57     18       45       
  MINIMUM         40    313 AM  12    1988  34      6       30       
  AVERAGE         58                        45     13       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.93 1977   0.12  -0.12     0.00    
  MONTH TO DATE    2.87                      2.55   0.32     0.04    
  SINCE MAR 1      2.87                      2.55   0.32     0.04    
  SINCE JAN 1      7.52                      8.37  -0.85     4.82    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1              
  MONTH TO DATE    3.1                       2.6    0.5              
  SINCE AUG 1     14.5                      20.0   -5.5              
  SINCE JUL 1     14.5                      20.0   -5.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                        20    -13       27       
  MONTH TO DATE  498                       508    -10      433       
  SINCE MAR 1    498                       508    -10      433       
  SINCE JUL 1   3874                      4268   -394     3661       
                                                                     
 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    26   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    11.4                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           100 AM                                     
 LOWEST     38           300 PM                                     
 AVERAGE    59                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        83      1994                    
 MINIMUM TEMPERATURE (F)   34        17      1969                    

                                                                      
SUNRISE AND SUNSET                                                   
MARCH 23 2007.........SUNRISE   709 AM EDT   SUNSET   724 PM EDT   
MARCH 24 2007.........SUNRISE   707 AM EDT   SUNSET   725 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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