AFOS product CLIIAD
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CDUS41 KLWX 290547
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1245 AM EST MON JAN 29 2007

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 28 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         45    342 AM  68    2002  42      3       63       
  MINIMUM         27   1159 PM -17    1987  22      5       29       
  AVERAGE         36                        32      4       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.64 1998   0.09  -0.09     0.00    
  MONTH TO DATE    2.11                      2.78  -0.67     2.32    
  SINCE DEC 1      3.85                      5.85  -2.00     5.25    
  SINCE JAN 1      2.11                      2.78  -0.67     2.32    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T                                                 
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       29                        33     -4       19       
  MONTH TO DATE  683                       926   -243      667       
  SINCE DEC 1   1391                      1810   -419     1638       
  SINCE JUL 1   2252                      2787   -535     2377       
                                                                     
 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    29   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    10.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  LIGHT SNOW                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    69           900 PM                                     
 LOWEST     37           400 PM                                     
 AVERAGE    53                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        75      1975                    
 MINIMUM TEMPERATURE (F)   22        -1      1987                    
                                             1963                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 29 2007.......SUNRISE   719 AM EST   SUNSET   527 PM EST   
JANUARY 30 2007.......SUNRISE   718 AM EST   SUNSET   528 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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