AFOS product CLIIAD
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CDUS41 KLWX 240539
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT SUN JUN 24 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JUNE 23 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         80    422 PM  96    1988  85     -5       86       
                                      1965                          
  MINIMUM         53    449 AM  44    1992  61     -8       68       
  AVERAGE         67                        73     -6       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.48 1974   0.13  -0.13     0.04    
  MONTH TO DATE    2.11                      3.17  -1.06     2.38    
  SINCE JUN 1      2.11                      3.17  -1.06     2.38    
  SINCE JAN 1     13.41                     19.98  -6.57    13.89    
                                                                     
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                         0      0        0       
  MONTH TO DATE    3                        21    -18        4       
  SINCE JUN 1      3                        21    -18        4       
  SINCE JUL 1   4438                      4952   -514     4185       
                                                                     
 COOLING                                                             
  YESTERDAY        2                         8     -6       12       
  MONTH TO DATE  197                       141     56      169       
  SINCE JUN 1    197                       141     56      169       
  SINCE JAN 1    348                       216    132      251       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     5.3                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           200 AM                                     
 LOWEST     28           400 PM                                     
 AVERAGE    50                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85        95      1966                    
 MINIMUM TEMPERATURE (F)   61        46      1979                    

                                                                      
SUNRISE AND SUNSET                                                   
JUNE 24 2007..........SUNRISE   545 AM EDT   SUNSET   839 PM EDT   
JUNE 25 2007..........SUNRISE   545 AM EDT   SUNSET   839 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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