AFOS product CLIIAD
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CDUS41 KLWX 200531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1229 AM EST TUE JAN 20 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 19 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         29    323 PM  65    1972  41    -12       34       
  MINIMUM         21   1159 PM  -6    1994  21      0       11       
  AVERAGE         25                        31     -6       23      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.36 1987   0.10  -0.10     0.00    
  MONTH TO DATE    0.85                      1.90  -1.05     2.51    
  SINCE DEC 1      5.42                      4.97   0.45     6.12    
  SINCE JAN 1      0.85                      1.90  -1.05     2.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.3  1978   0.3   -0.3      0.0     
  MONTH TO DATE    0.4                       4.5   -4.1      4.5     
  SINCE DEC 1     11.8                       6.7    5.1     12.7     
  SINCE JUL 1     11.8                       7.6    4.2     12.7     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        34      6       42       
  MONTH TO DATE  621                       627     -6      648       
  SINCE DEC 1   1512                      1511      1     1620       
  SINCE JUL 1   2338                      2488   -150     2602       
                                                                     
 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    28   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    14.7                                         
                                                                     
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    57          M800 AM                                     
 LOWEST     40          M500 PM                                     
 AVERAGE    49                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        57      1991                    
 MINIMUM TEMPERATURE (F)   21        -7      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 20 2004.......SUNRISE   725 AM EST   SUNSET   517 PM EST   
JANUARY 21 2004.......SUNRISE   725 AM EST   SUNSET   518 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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