AFOS product CLIIAD
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CDUS41 KLWX 150523
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
123 AM EDT SUN JUL 15 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 14 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         89    420 PM  98    1993  87      2       86       
  MINIMUM         60    533 AM  54    1980  64     -4       73       
  AVERAGE         75                        76     -1       80      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.56 2002   0.12  -0.12     0.87    
  MONTH TO DATE    0.76                      1.68  -0.92     2.18    
  SINCE JUN 1      3.68                      5.75  -2.07    13.97    
  SINCE JAN 1     14.98                     22.56  -7.58    25.48    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         1     -1        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       10                        11     -1       15       
  MONTH TO DATE  154                       147      7      164       
  SINCE JUN 1    445                       350     95      403       
  SINCE JAN 1    596                       425    171      485       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     6.6                                         

                                                                      
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    90           300 AM                                     
 LOWEST     26           400 PM                                     
 AVERAGE    58                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        98      1995                    
 MINIMUM TEMPERATURE (F)   64        53      1987                    
                                             1981                    

                                                                      
SUNRISE AND SUNSET                                                   
JULY 15 2007..........SUNRISE   556 AM EDT   SUNSET   835 PM EDT   
JULY 16 2007..........SUNRISE   557 AM EDT   SUNSET   834 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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