AFOS product CLIIAD
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CDUS41 KLWX 020536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
135 AM EDT MON JUL 2 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 1 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         82    416 PM  94    1968  86     -4       86       
                                      1964                          
  MINIMUM         62   1159 PM  41    1988  62      0       62       
  AVERAGE         72                        74     -2       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.76 1984   0.12  -0.12     0.00    
  MONTH TO DATE    0.00                      0.12  -0.12     0.00    
  SINCE JUN 1      2.92                      4.19  -1.27    11.79    
  SINCE JAN 1     14.22                     21.00  -6.78    23.30    
                                                                     
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                         1     -1        0       
  MONTH TO DATE    0                         1     -1        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY        7                        10     -3        9       
  MONTH TO DATE    7                        10     -3        9       
  SINCE JUN 1    298                       213     85      248       
  SINCE JAN 1    449                       288    161      330       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     7.0                                         

                                                                      
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    63          1100 PM                                     
 LOWEST     25           600 PM                                     
 AVERAGE    44                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        98      1966                    
 MINIMUM TEMPERATURE (F)   63        44      1988                    

                                                                      
SUNRISE AND SUNSET                                                   
JULY  2 2007..........SUNRISE   548 AM EDT   SUNSET   839 PM EDT   
JULY  3 2007..........SUNRISE   549 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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