AFOS product CLIIAD
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CDUS41 KLWX 020537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT MON APR 2 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 1 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         59    430 PM  85    1978  61     -2       74       
  MINIMUM         49    830 AM  17    1969  36     13       57       
  AVERAGE         54                        49      5       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.64 1973   0.11  -0.11      T      
  MONTH TO DATE    T                         0.11  -0.11      T      
  SINCE MAR 1      2.93                      3.66  -0.73     0.07    
  SINCE JAN 1      7.58                      9.48  -1.90     4.85    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                         0.1   MM                
  MONTH TO DATE   MM                         0.1   MM                
  SINCE AUG 1     14.5                      20.9   -6.4              
  SINCE JUL 1     14.5                      20.9   -6.4              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                        16     -5        0       
  MONTH TO DATE   11                        16     -5        0       
  SINCE MAR 1    591                       686    -95      589       
  SINCE JUL 1   3967                      4446   -479     3817       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        1       
  MONTH TO DATE    0                         0      0        1       
  SINCE MAR 1      8                         4      4        4       
  SINCE JAN 1      8                         4      4        4       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     5.5                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77          1000 PM                                     
 LOWEST     52           800 AM                                     
 AVERAGE    65                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        86      1967                    
 MINIMUM TEMPERATURE (F)   36        21      1964                    

                                                                      
SUNRISE AND SUNSET                                                   
APRIL  2 2007.........SUNRISE   653 AM EDT   SUNSET   734 PM EDT   
APRIL  3 2007.........SUNRISE   652 AM EDT   SUNSET   735 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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