000 
CDUS41 KLWX 310533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1231 AM EST MON JAN 31 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 30 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         36    432 PM  70    2002  42     -6       28       
  MINIMUM         27    848 PM   2    1965  22      5       17       
  AVERAGE         32                        32      0       23      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.32          0.37 1968   0.09   0.23      T      
  MONTH TO DATE    3.14                      2.96   0.18     1.41    
  SINCE DEC 1      6.15                      6.03   0.12     5.98    
  SINCE JAN 1      3.14                      2.96   0.18     1.41    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        1.9           6.3  2000   0.3    1.6       T      
  MONTH TO DATE    7.4                       7.8   -0.4      6.0     
  SINCE DEC 1      7.4                      10.0   -2.6     17.4     
  SINCE JUL 1      7.4                      10.9   -3.5     17.4     
  SNOW DEPTH       2                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       33                        33      0       42       
  MONTH TO DATE  892                       992   -100     1092       
  SINCE DEC 1   1728                      1876   -148     1983       
  SINCE JUL 1   2533                      2853   -320     2809       
                                                                     
 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    14   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     5.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FREEZING RAIN                                                      
  LT FREEZING RAIN                                                   
  HEAVY SNOW                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
  SLEET                                                              
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     53          1100 PM                                     
 AVERAGE    77                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        65      1993                    
 MINIMUM TEMPERATURE (F)   22        -7      1965                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 31 2005.......SUNRISE   717 AM EST   SUNSET   530 PM EST   
FEBRUARY  1 2005......SUNRISE   716 AM EST   SUNSET   531 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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