AFOS product CLIIAD
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CDUS41 KLWX 110520
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1219 AM EST SUN NOV 11 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 10 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         48    217 PM  75    1985  59    -11       74       
  MINIMUM         34   1159 PM  21    2003  35     -1       44       
  AVERAGE         41                        47     -6       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.08 1990   0.11  -0.11     0.00    
  MONTH TO DATE    0.23                      1.10  -0.87     2.08    
  SINCE SEP 1      5.15                      8.29  -3.14    14.02    
  SINCE JAN 1     22.79                     36.52 -13.73    41.01    
                                                                     
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       24                        18      6        6       
  MONTH TO DATE  189                       166     23      166       
  SINCE SEP 1    359                       549   -190      542       
  SINCE JUL 1    359                       554   -195      542       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1    328                       147    181       94       
  SINCE JAN 1   1593                      1072    521     1255       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     6.6                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           400 AM                                     
 LOWEST     60           400 PM                                     
 AVERAGE    73                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        78      2006                    
 MINIMUM TEMPERATURE (F)   35        16      1973                    

                                                                      
SUNRISE AND SUNSET                                                   
NOVEMBER 11 2007......SUNRISE   648 AM EST   SUNSET   459 PM EST   
NOVEMBER 12 2007......SUNRISE   649 AM EST   SUNSET   459 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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