AFOS product CLIIAD
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CDUS41 KLWX 130520
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1219 AM EST TUE NOV 13 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 12 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         58    419 PM  74    1964  58      0       60       
  MINIMUM         43    646 AM  22    1988  35      8       45       
                                      1973                          
  AVERAGE         51                        46      5       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.24          1.92 2004   0.11   0.13     0.95    
  MONTH TO DATE    0.48                      1.32  -0.84     3.08    
  SINCE SEP 1      5.40                      8.51  -3.11    15.02    
  SINCE JAN 1     23.04                     36.74 -13.70    42.01    
                                                                     
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       14                        19     -5       12       
  MONTH TO DATE  229                       203     26      178       
  SINCE SEP 1    399                       586   -187      554       
  SINCE JUL 1    399                       591   -192      554       
                                                                     
 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     8   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     3.3                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           400 AM                                     
 LOWEST     57           400 PM                                     
 AVERAGE    73                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        75      1964                    
 MINIMUM TEMPERATURE (F)   35        21      1963                    

                                                                      
SUNRISE AND SUNSET                                                   
NOVEMBER 13 2007......SUNRISE   650 AM EST   SUNSET   458 PM EST   
NOVEMBER 14 2007......SUNRISE   651 AM EST   SUNSET   457 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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