000 
CDUS41 KLWX 200540
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1238 AM EST TUE FEB 20 2007
................................... 

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 19 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         38   1159 PM  71    1997  47     -9       29       
  MINIMUM         10    701 AM   7    1979  25    -15       10       
  AVERAGE         24                        36    -12       20      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.34 1972   0.10  -0.10     0.00    
  MONTH TO DATE    1.45                      1.85  -0.40     2.17    
  SINCE DEC 1      5.30                      7.97  -2.67     7.50    
  SINCE JAN 1      3.56                      4.90  -1.34     4.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.2   -0.2              
  MONTH TO DATE    5.2                       4.4    0.8              
  SINCE AUG 1      6.8                      15.6   -8.8              
  SINCE JUL 1      6.8                      15.6   -8.8              
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       41                        29     12       45       
  MONTH TO DATE  775                       595    180      532       
  SINCE DEC 1   2278                      2504   -226     2218       
  SINCE JUL 1   3139                      3481   -342     2957       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     7.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           700 AM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    50                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1971                    
 MINIMUM TEMPERATURE (F)   25        -2      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 20 2007......SUNRISE   655 AM EST   SUNSET   552 PM EST   
FEBRUARY 21 2007......SUNRISE   654 AM EST   SUNSET   554 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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