AFOS product CLIIAD
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CDUS41 KLWX 170534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST SAT JAN 17 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 16 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         27    423 PM  65    1974  41    -14       28       
  MINIMUM         13    755 AM  -4    1964  22     -9       12       
  AVERAGE         20                        31    -11       20      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.64 1991   0.10  -0.10     0.04    
  MONTH TO DATE    0.51                      1.60  -1.09     2.51    
  SINCE DEC 1      5.08                      4.67   0.41     6.12    
  SINCE JAN 1      0.51                      1.60  -1.09     2.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.3  1965   0.3   -0.3      0.7     
  MONTH TO DATE    0.3                       3.6   -3.3      4.5     
  SINCE DEC 1     11.7                       5.8    5.9     12.7     
  SINCE JUL 1     11.7                       6.7    5.0     12.7     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       45                        33     12       45       
  MONTH TO DATE  511                       525    -14      511       
  SINCE DEC 1   1402                      1409     -7     1483       
  SINCE JUL 1   2228                      2386   -158     2465       
                                                                     
 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    30   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    14.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    54          1200 AM                                     
 LOWEST     23          M300 PM                                     
 AVERAGE    39                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        70      1990                    
 MINIMUM TEMPERATURE (F)   22        -7      1982                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 17 2004.......SUNRISE   726 AM EST   SUNSET   513 PM EST   
JANUARY 18 2004.......SUNRISE   726 AM EST   SUNSET   514 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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