AFOS product CLIIAD
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CDUS41 KLWX 140537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT WED MAR 14 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 13 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         76    327 PM  87    1990  54     22       85       
  MINIMUM         42    653 AM  16    1998  31     11       47       
  AVERAGE         59                        42     17       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.63 1977   0.12  -0.12      T      
  MONTH TO DATE    0.86                      1.47  -0.61     0.02    
  SINCE MAR 1      0.86                      1.47  -0.61     0.02    
  SINCE JAN 1      5.51                      7.29  -1.78     4.80    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1              
  MONTH TO DATE    1.9                       1.7    0.2              
  SINCE AUG 1     13.3                      19.1   -5.8              
  SINCE JUL 1     13.3                      19.1   -5.8              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                        23    -17        0       
  MONTH TO DATE  327                       319      8      227       
  SINCE MAR 1    327                       319      8      227       
  SINCE JUL 1   3703                      4079   -376     3455       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        1       
  MONTH TO DATE    0                         0      0        3       
  SINCE MAR 1      0                         0      0        3       
  SINCE JAN 1      0                         0      0        3       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     6.1                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70           700 AM                                     
 LOWEST     23           200 PM                                     
 AVERAGE    47                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        88      1990                    
 MINIMUM TEMPERATURE (F)   31        15      1993                    
                                             1968                    

                                                                      
SUNRISE AND SUNSET                                                   
MARCH 14 2007.........SUNRISE   723 AM EDT   SUNSET   716 PM EDT   
MARCH 15 2007.........SUNRISE   722 AM EDT   SUNSET   717 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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