AFOS product CLIIAD
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CDUS41 KLWX 210543
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1241 AM EST WED FEB 21 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 20 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         50    513 PM  70    1971  47      3       42       
  MINIMUM         38   1209 AM  -2    1979  25     13       24       
  AVERAGE         44                        36      8       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.26          1.02 1996   0.10   0.16     0.00    
  MONTH TO DATE    1.71                      1.95  -0.24     2.17    
  SINCE DEC 1      5.56                      8.07  -2.51     7.50    
  SINCE JAN 1      3.82                      5.00  -1.18     4.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.2   -0.2              
  MONTH TO DATE    5.3                       4.6    0.7              
  SINCE AUG 1      6.9                      15.8   -8.9              
  SINCE JUL 1      6.9                      15.8   -8.9              
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        29     -8       32       
  MONTH TO DATE  796                       624    172      564       
  SINCE DEC 1   2299                      2533   -234     2250       
  SINCE JUL 1   3160                      3510   -350     2989       
                                                                     
 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    21   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    11.0                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1100 PM                                     
 LOWEST     42           400 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1997                    
 MINIMUM TEMPERATURE (F)   25         7      1972                    
                                             1968                    

                                                                      
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2007......SUNRISE   654 AM EST   SUNSET   554 PM EST   
FEBRUARY 22 2007......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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