AFOS product CLIIAD
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CDUS41 KLWX 080536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
136 AM EDT SUN JUL 8 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 7 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         90    429 PM 101    1988  87      3       80       
  MINIMUM         63    510 AM  47    1970  63      0       56       
  AVERAGE         77                        75      2       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.59 2005   0.12  -0.12     0.00    
  MONTH TO DATE    0.76                      0.84  -0.08     1.04    
  SINCE JUN 1      3.68                      4.91  -1.23    12.83    
  SINCE JAN 1     14.98                     21.72  -6.74    24.34    
                                                                     
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       12                        10      2        3       
  MONTH TO DATE   60                        70    -10       79       
  SINCE JUN 1    351                       273     78      318       
  SINCE JAN 1    502                       348    154      400       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     3.9                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     34           100 PM                                     
 AVERAGE    61                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87       100      1993                    
 MINIMUM TEMPERATURE (F)   64        48      1984                    

                                                                      
SUNRISE AND SUNSET                                                   
JULY  8 2007..........SUNRISE   552 AM EDT   SUNSET   838 PM EDT   
JULY  9 2007..........SUNRISE   552 AM EDT   SUNSET   837 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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