AFOS product CLIIAD
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CDUS41 KLWX 010517
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1217 AM EST SAT DEC 1 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 30 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         49    341 PM  72    1991  51     -2       70       
  MINIMUM         27   1135 PM  11    1976  30     -3       53       
  AVERAGE         38                        40     -2       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.15 1976   0.11  -0.11     0.00    
  MONTH TO DATE    2.47                      3.31  -0.84     5.31    
  SINCE SEP 1      7.39                     10.50  -3.11    17.25    
  SINCE JAN 1     25.03                     38.73 -13.70    44.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1              
  MONTH TO DATE    0.0                       0.8   -0.8              
  SINCE JUL 1      0.0                       0.9   -0.9              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        24      3        3       
  MONTH TO DATE  559                       589    -30      485       
  SINCE SEP 1    729                       972   -243      861       
  SINCE JUL 1    729                       977   -248      861       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         3     -3        1       
  SINCE SEP 1    328                       150    178       95       
  SINCE JAN 1   1593                      1075    518     1256       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     5.3                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    58           900 PM                                     
 LOWEST     18           300 PM                                     
 AVERAGE    38                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   51        75      2006                    
 MINIMUM TEMPERATURE (F)   30         4      1967                    

                                                                      
SUNRISE AND SUNSET                                                   
DECEMBER  1 2007......SUNRISE   709 AM EST   SUNSET   448 PM EST   
DECEMBER  2 2007......SUNRISE   710 AM EST   SUNSET   448 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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