AFOS product CLIIAD
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CDUS41 KLWX 160524
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1222 AM EST FRI NOV 16 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 15 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         63    241 AM  81    1993  57      6       62       
  MINIMUM         40   1050 PM  19    1986  34      6       47       
  AVERAGE         52                        45      7       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.73R         0.38 1983   0.11   0.62     0.00    
  MONTH TO DATE    1.31                      1.66  -0.35     3.18    
  SINCE SEP 1      6.23                      8.85  -2.62    15.12    
  SINCE JAN 1     23.87                     37.08 -13.21    42.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       T      0.0              
  SINCE JUL 1      0.0                       0.1   -0.1              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        19     -6       10       
  MONTH TO DATE  261                       260      1      213       
  SINCE SEP 1    431                       643   -212      589       
  SINCE JUL 1    431                       648   -217      589       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        1       
  SINCE SEP 1    328                       147    181       95       
  SINCE JAN 1   1593                      1072    521     1256       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    13.6                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           500 AM                                     
 LOWEST     49           500 PM                                     
 AVERAGE    70                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        74      2005                    
                                             2001                    
 MINIMUM TEMPERATURE (F)   34        14      1967                    

                                                                      
SUNRISE AND SUNSET                                                   
NOVEMBER 16 2007......SUNRISE   653 AM EST   SUNSET   455 PM EST   
NOVEMBER 17 2007......SUNRISE   654 AM EST   SUNSET   455 PM EST   

                                                                     
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

 


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