AFOS product CLIIAD
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CDUS41 KLWX 240644
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
142 AM EST SAT DEC 24 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 23 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         56    338 PM  68    1990  44     12       60       
  MINIMUM         23    728 AM   4    1989  24     -1       32       
  AVERAGE         40                        34      6       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.30 2004   0.09  -0.09     1.30    
  MONTH TO DATE    2.14                      2.29  -0.15     3.00    
  SINCE DEC 1      2.14                      2.29  -0.15     3.00    
  SINCE JAN 1     43.77                     41.02   2.75    38.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           7.5  1963   0.1   -0.1      0.0     
  MONTH TO DATE    5.7                       1.4    4.3       T      
  SINCE DEC 1      5.7                       1.4    4.3       T      
  SINCE JUL 1      6.0                       2.3    3.7       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        30     -5       19       
  MONTH TO DATE  768                       633    135      576       
  SINCE DEC 1    768                       633    135      576       
  SINCE JUL 1   1507                      1610   -103     1381       
                                                                     
 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    13   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     5.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           600 AM                                     
 LOWEST     22           300 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        66      1982                    
 MINIMUM TEMPERATURE (F)   24         1      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 24 2005......SUNRISE   726 AM EST   SUNSET   453 PM EST   
DECEMBER 25 2005......SUNRISE   727 AM EST   SUNSET   453 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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