AFOS product CLIIAD
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CDUS41 KLWX 300536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
135 AM EDT FRI MAR 30 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 29 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         62    347 PM  86    1998  60      2       65       
  MINIMUM         36   1133 PM  20    1982  35      1       39       
  AVERAGE         49                        48      1       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.33 2001   0.11  -0.11     0.00    
  MONTH TO DATE    2.93                      3.33  -0.40     0.07    
  SINCE MAR 1      2.93                      3.33  -0.40     0.07    
  SINCE JAN 1      7.58                      9.15  -1.57     4.85    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1              
  MONTH TO DATE    3.1                       3.3   -0.2              
  SINCE AUG 1     14.5                      20.7   -6.2              
  SINCE JUL 1     14.5                      20.7   -6.2              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                        17     -1       13       
  MONTH TO DATE  549                       636    -87      573       
  SINCE MAR 1    549                       636    -87      573       
  SINCE JUL 1   3925                      4396   -471     3801       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    8                         2      6        3       
  SINCE MAR 1      8                         2      6        3       
  SINCE JAN 1      8                         2      6        3       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     8.4                                         

                                                                      
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    59          1100 PM                                     
 LOWEST     11           400 PM                                     
 AVERAGE    35                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        89      1998                    
 MINIMUM TEMPERATURE (F)   36        22      1970                    

                                                                      
SUNRISE AND SUNSET                                                   
MARCH 30 2007.........SUNRISE   658 AM EDT   SUNSET   731 PM EDT   
MARCH 31 2007.........SUNRISE   657 AM EDT   SUNSET   732 PM EDT   

                                                                     
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

 


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