000 
CDUS41 KLWX 100612
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
111 AM EST SAT FEB 10 2007

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 9 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         33    422 PM  69    2001  44    -11       38       
  MINIMUM          7    249 AM  -5    1967  23    -16       25       
  AVERAGE         20                        33    -13       32      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.07 1970   0.10  -0.10     0.00    
  MONTH TO DATE    0.18                      0.85  -0.67     1.37    
  SINCE DEC 1      4.03                      6.97  -2.94     6.70    
  SINCE JAN 1      2.29                      3.90  -1.61     3.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.2   -0.2              
  MONTH TO DATE    2.2                       2.4   -0.2              
  SINCE AUG 1      3.8                      13.6   -9.8              
  SINCE JUL 1      3.8                      13.6   -9.8              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       45                        32     13       33       
  MONTH TO DATE  375                       291     84      225       
  SINCE DEC 1   1878                      2200   -322     1911       
  SINCE JUL 1   2739                      3177   -438     2650       
                                                                     
 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 (320)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           200 AM                                     
 LOWEST     29           400 PM                                     
 AVERAGE    54                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        63      2001                    
                                             1990                    
 MINIMUM TEMPERATURE (F)   23       -10      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 10 2007......SUNRISE   707 AM EST   SUNSET   541 PM EST   
FEBRUARY 11 2007......SUNRISE   706 AM EST   SUNSET   542 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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