AFOS product CLIIAD
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CDUS41 KLWX 090532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1230 AM EST FRI DEC 9 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 8 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         35    249 PM  76    1980  48    -13       65       
  MINIMUM         18    745 AM  13    2002  28    -10       44       
  AVERAGE         27                        38    -11       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.24 1972   0.10  -0.10     0.00    
  MONTH TO DATE    0.31                      0.80  -0.49     0.80    
  SINCE DEC 1      0.31                      0.80  -0.49     0.80    
  SINCE JAN 1     41.94                     39.53   2.41    36.50    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.0  1989   T      0.0      0.0     
  MONTH TO DATE    2.6                       T      2.6      0.0     
  SINCE DEC 1      2.6                       T      2.6      0.0     
  SINCE JUL 1      2.9                       0.9    2.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        27     11       10       
  MONTH TO DATE  261                       204     57      158       
  SINCE DEC 1    261                       204     57      158       
  SINCE JUL 1   1000                      1181   -181      963       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1373                      1075    298     1201       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     4.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           600 AM                                     
 LOWEST     41           200 PM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   48        72      1978                    
 MINIMUM TEMPERATURE (F)   27        11      1989                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2005......SUNRISE   717 AM EST   SUNSET   448 PM EST   
DECEMBER 10 2005......SUNRISE   718 AM EST   SUNSET   448 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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