000 
CDUS41 KLWX 130535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
133 AM EDT THU APR 13 2006
 

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 12 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         76    215 PM  87    1977  65     11       56       
  MINIMUM         50    604 AM  23    1982  39     11       37       
  AVERAGE         63                        52     11       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.45 2004   0.10  -0.10     0.01    
  MONTH TO DATE    1.11                      1.26  -0.15     2.59    
  SINCE MAR 1      1.18                      4.81  -3.63     6.52    
  SINCE JAN 1      5.96                     10.63  -4.67    11.07    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.0  1973   T      0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4      0.0     
  SINCE MAR 1      T                         3.8   -3.8      1.2     
  SINCE JUL 1     14.1                      21.2   -7.1     17.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                        13    -11       18       
  MONTH TO DATE  114                       176    -62      122       
  SINCE MAR 1    703                       846   -143      866       
  SINCE JUL 1   3931                      4606   -675     4202       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        7       
  SINCE MAR 1      4                         4      0        7       
  SINCE JAN 1      4                         4      0        7       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED    12.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59           600 AM                                     
 LOWEST     27           300 PM                                     
 AVERAGE    43                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        87      1977                    
 MINIMUM TEMPERATURE (F)   39        24      1990                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 13 2006.........SUNRISE   636 AM EDT   SUNSET   745 PM EDT   
APRIL 14 2006.........SUNRISE   635 AM EDT   SUNSET   746 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$

GUYER