AFOS product CLIIAD
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CDUS41 KLWX 100533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1231 AM EST SAT JAN 10 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 9 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         32    205 PM  62    1998  41     -9       60       
  MINIMUM         14   1159 PM  -8    1970  22     -8       32       
  AVERAGE         23                        32     -9       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.39 1964   0.10  -0.08     0.00    
  MONTH TO DATE    0.51                      0.90  -0.39     2.47    
  SINCE DEC 1      5.08                      3.97   1.11     6.08    
  SINCE JAN 1      0.51                      0.90  -0.39     2.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.3           3.1  1993   0.2    0.1      0.0     
  MONTH TO DATE    0.3                       1.8   -1.5      3.8     
  SINCE DEC 1     11.7                       4.0    7.7     12.0     
  SINCE JUL 1     11.7                       4.9    6.8     12.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       42                        33      9       19       
  MONTH TO DATE  245                       294    -49      253       
  SINCE DEC 1   1136                      1178    -42     1225       
  SINCE JUL 1   1962                      2155   -193     2207       
                                                                     
 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    15   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     6.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          M600 AM                                     
 LOWEST     36          M800 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        58      2002                    
 MINIMUM TEMPERATURE (F)   22         0      1982                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 10 2004.......SUNRISE   728 AM EST   SUNSET   506 PM EST   
JANUARY 11 2004.......SUNRISE   728 AM EST   SUNSET   507 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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