AFOS product CLIIAD
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CDUS41 KLWX 190535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1233 AM EST THU JAN 19 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 18 2006...

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         62    237 AM  70    1990  41     21       23       
  MINIMUM         30   1159 PM  -1    1994  21      9       11       
  AVERAGE         46                        31     15       17      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.56          1.18 1980   0.10   0.46     0.00    
  MONTH TO DATE    1.63                      1.80  -0.17     2.37    
  SINCE DEC 1      4.56                      4.87  -0.31     5.38    
  SINCE JAN 1      1.63                      1.80  -0.17     2.37    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.2  1984   0.3   -0.3      0.0     
  MONTH TO DATE    T                         4.2   -4.2       T      
  SINCE DEC 1      5.7                       6.4   -0.7       T      
  SINCE JUL 1      6.0                       7.3   -1.3       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                        34    -15       48       
  MONTH TO DATE  421                       593   -172      410       
  SINCE DEC 1   1392                      1477    -85     1246       
  SINCE JUL 1   2131                      2454   -323     2051       
                                                                     
 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     W (280)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    12.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97           400 AM                                     
 LOWEST     33           300 PM                                     
 AVERAGE    65                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        65      1972                    
 MINIMUM TEMPERATURE (F)   21        -6      1994                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 19 2006.......SUNRISE   725 AM EST   SUNSET   516 PM EST   
JANUARY 20 2006.......SUNRISE   725 AM EST   SUNSET   517 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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