AFOS product CLIIAD
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CDUS41 KLWX 210536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1234 AM EST MON FEB 21 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 20 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         42    155 PM  70    1971  47     -5       62       
  MINIMUM         25    531 AM  -2    1979  25      0       28       
  AVERAGE         34                        36     -2       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.57 1981   0.10  -0.08     0.00    
  MONTH TO DATE    0.64                      1.95  -1.31     1.83    
  SINCE DEC 1      6.79                      8.07  -1.28     7.81    
  SINCE JAN 1      3.78                      5.00  -1.22     3.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             0.7  1969   0.2   -0.2      0.0     
  MONTH TO DATE    1.4                       4.6   -3.2       T      
  SINCE DEC 1      8.8                      14.9   -6.1     17.4     
  SINCE JUL 1      8.8                      15.8   -7.0     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        29      2       20       
  MONTH TO DATE  538                       624    -86      642       
  SINCE DEC 1   2303                      2533   -230     2671       
  SINCE JUL 1   3108                      3510   -402     3497       
                                                                     
 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    SE (150)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     7.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    69           800 AM                                     
 LOWEST     34          1200 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1997                    
 MINIMUM TEMPERATURE (F)   25         7      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2005......SUNRISE   653 AM EST   SUNSET   554 PM EST   
FEBRUARY 22 2005......SUNRISE   652 AM EST   SUNSET   555 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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