AFOS product CLIIAD
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CDUS41 KLWX 250541
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1240 AM EST THU JAN 25 2007

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 24 2007...

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         37   1105 PM  73    1967  41     -4       47       
  MINIMUM         30   1233 AM  -2    1987  22      8       28       
  AVERAGE         34                        32      2       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.18 1979   0.10  -0.09     0.02    
  MONTH TO DATE    2.11                      2.40  -0.29     2.32    
  SINCE DEC 1      3.85                      5.47  -1.62     5.25    
  SINCE JAN 1      2.11                      2.40  -0.29     2.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T                                                 
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        33     -2       27       
  MONTH TO DATE  551                       794   -243      558       
  SINCE DEC 1   1259                      1678   -419     1529       
  SINCE JUL 1   2120                      2655   -535     2268       
                                                                     
 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    12   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1200 PM                                     
 LOWEST     54          1100 PM                                     
 AVERAGE    72                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        73      1967                    
 MINIMUM TEMPERATURE (F)   22        -5      1987                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 25 2007.......SUNRISE   722 AM EST   SUNSET   523 PM EST   
JANUARY 26 2007.......SUNRISE   721 AM EST   SUNSET   524 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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