000 
CDUS41 KLWX 170540
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1239 AM EST SAT FEB 17 2007

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 16 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         28    521 PM  70    1976  46    -18       66       
  MINIMUM         13   1157 PM  11    1987  24    -11       36       
                                      1963                          
  AVERAGE         21                        35    -14       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.33 2003   0.10  -0.10     0.00    
  MONTH TO DATE    1.45                      1.55  -0.10     2.17    
  SINCE DEC 1      5.30                      7.67  -2.37     7.50    
  SINCE JAN 1      3.56                      4.60  -1.04     4.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.2   -0.2              
  MONTH TO DATE    5.2                       3.8    1.4              
  SINCE AUG 1      6.8                      15.0   -8.2              
  SINCE JUL 1      6.8                      15.0   -8.2              
  SNOW DEPTH       2                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       44                        30     14       14       
  MONTH TO DATE  653                       506    147      433       
  SINCE DEC 1   2156                      2415   -259     2119       
  SINCE JUL 1   3017                      3392   -375     2858       
                                                                     
 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    21   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67          1100 PM                                     
 LOWEST     34           400 PM                                     
 AVERAGE    51                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        75      1976                    
 MINIMUM TEMPERATURE (F)   24        -4      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 17 2007......SUNRISE   659 AM EST   SUNSET   549 PM EST   
FEBRUARY 18 2007......SUNRISE   658 AM EST   SUNSET   550 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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