AFOS product CLIIAD
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CDUS41 KLWX 200540
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
139 AM EDT WED JUN 20 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JUNE 19 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         95    214 PM  98    1994  84     11       92       
  MINIMUM         67    504 AM  45    1986  60      7       69       
  AVERAGE         81                        72      9       81      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.99 2003   0.13  -0.11     0.37    
  MONTH TO DATE    2.09                      2.65  -0.56     0.85    
  SINCE JUN 1      2.09                      2.65  -0.56     0.85    
  SINCE JAN 1     13.39                     19.46  -6.07    12.36    
                                                                     
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                         0      0        0       
  MONTH TO DATE    3                        21    -18        4       
  SINCE JUN 1      3                        21    -18        4       
  SINCE JUL 1   4438                      4952   -514     4185       
                                                                     
 COOLING                                                             
  YESTERDAY       16                         7      9       16       
  MONTH TO DATE  172                       109     63      116       
  SINCE JUN 1    172                       109     63      116       
  SINCE JAN 1    323                       184    139      198       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     4.4                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     41           200 PM                                     
 AVERAGE    64                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        97      1964                    
 MINIMUM TEMPERATURE (F)   60        48      2000                    

                                                                      
SUNRISE AND SUNSET                                                   
JUNE 20 2007..........SUNRISE   544 AM EDT   SUNSET   838 PM EDT   
JUNE 21 2007..........SUNRISE   544 AM EDT   SUNSET   839 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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