000 
CDUS41 KLWX 050556
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1255 AM EST MON FEB 5 2007

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 4 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         34    443 PM  70    1991  43     -9       59       
  MINIMUM         19   1159 PM   4    1966  22     -3       40       
  AVERAGE         27                        33     -6       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.17 1998   0.09  -0.09     0.83    
  MONTH TO DATE    0.10                      0.39  -0.29     1.37    
  SINCE DEC 1      3.95                      6.51  -2.56     6.70    
  SINCE JAN 1      2.21                      3.44  -1.23     3.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        32      6       15       
  MONTH TO DATE  140                       131      9       71       
  SINCE DEC 1   1643                      2040   -397     1757       
  SINCE JUL 1   2504                      3017   -513     2496       
                                                                     
 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    24   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.4                                         
                                                                     
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    59           400 AM                                     
 LOWEST     25           500 PM                                     
 AVERAGE    42                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   43        73      1991                    
 MINIMUM TEMPERATURE (F)   22       -10      1996                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  5 2007......SUNRISE   713 AM EST   SUNSET   535 PM EST   
FEBRUARY  6 2007......SUNRISE   712 AM EST   SUNSET   537 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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