AFOS product CLIIAD
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CDUS41 KLWX 120537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT TUE JUN 12 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JUNE 11 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         87    105 PM  93    2000  82      5       76       
                                      1986                          
  MINIMUM         60    518 AM  40    1972  58      2       49       
  AVERAGE         74                        70      4       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.07 2004   0.14  -0.14     0.00    
  MONTH TO DATE    0.72                      1.54  -0.82     0.20    
  SINCE JUN 1      0.72                      1.54  -0.82     0.20    
  SINCE JAN 1     12.02                     18.35  -6.33    11.71    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1     14.7                      21.2   -6.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        2       
  MONTH TO DATE    0                        15    -15        4       
  SINCE JUN 1      0                        15    -15        4       
  SINCE JUL 1   4435                      4946   -511     4185       
                                                                     
 COOLING                                                             
  YESTERDAY        9                         6      3        0       
  MONTH TO DATE  112                        55     57       54       
  SINCE JUN 1    112                        55     57       54       
  SINCE JAN 1    263                       130    133      136       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     4.4                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     29           100 PM                                     
 AVERAGE    61                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        96      1986                    
 MINIMUM TEMPERATURE (F)   58        44      1980                    
                                             1972                    

                                                                      
SUNRISE AND SUNSET                                                   
JUNE 12 2007..........SUNRISE   544 AM EDT   SUNSET   836 PM EDT   
JUNE 13 2007..........SUNRISE   544 AM EDT   SUNSET   836 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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