AFOS product CLIIAD
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CDUS41 KLWX 070537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
136 AM EDT SAT JUL 7 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 6 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         88    535 PM 102    1977  87      1       79       
  MINIMUM         66    537 AM  45    1979  63      3       60       
  AVERAGE         77                        75      2       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.64 1995   0.12  -0.12     0.34    
  MONTH TO DATE    0.76                      0.72   0.04     1.04    
  SINCE JUN 1      3.68                      4.79  -1.11    12.83    
  SINCE JAN 1     14.98                     21.60  -6.62    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        5       
  MONTH TO DATE   48                        60    -12       76       
  SINCE JUN 1    339                       263     76      315       
  SINCE JAN 1    490                       338    152      397       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (70)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     5.6                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     34           600 PM                                     
 AVERAGE    64                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87       101      1988                    
 MINIMUM TEMPERATURE (F)   63        47      1970                    

                                                                      
SUNRISE AND SUNSET                                                   
JULY  7 2007..........SUNRISE   551 AM EDT   SUNSET   838 PM EDT   
JULY  8 2007..........SUNRISE   552 AM EDT   SUNSET   838 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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