AFOS product CLIIAD
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CDUS41 KLWX 300547
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
147 AM EDT WED MAY 30 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 29 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         87    324 PM  97    1969  78      9       91       
  MINIMUM         64   1159 PM  40    1997  54     10       58       
  AVERAGE         76                        66     10       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.00 1984   0.14  -0.14     0.00    
  MONTH TO DATE    0.34                      3.94  -3.60     1.80    
  SINCE MAR 1      6.65                     10.71  -4.06     6.73    
  SINCE JAN 1     11.30                     16.53  -5.23    11.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1     14.7                      21.2   -6.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE   87                       135    -48      132       
  SINCE MAR 1   1059                      1167   -108      953       
  SINCE JUL 1   4435                      4927   -492     4181       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         4      7       10       
  MONTH TO DATE  107                        52     55       40       
  SINCE MAR 1    130                        67     63       52       
  SINCE JAN 1    130                        67     63       52       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     4.5                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           100 AM                                     
 LOWEST     27           200 PM                                     
 AVERAGE    57                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      2006                    
                                             1991                    
                                             1987                    
 MINIMUM TEMPERATURE (F)   54        38      1996                    

                                                                      
SUNRISE AND SUNSET                                                   
MAY 30 2007...........SUNRISE   547 AM EDT   SUNSET   828 PM EDT   
MAY 31 2007...........SUNRISE   547 AM EDT   SUNSET   829 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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