AFOS product CLIIAD
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CDUS41 KLWX 160525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT MON JUL 16 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 15 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         95    312 PM  98    1995  87      8       88       
  MINIMUM         69    551 AM  53    1987  64      5       73       
                                      1981                          
  AVERAGE         82                        76      6       81      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.01 2005   0.11  -0.11     0.01    
  MONTH TO DATE    0.76                      1.79  -1.03     2.19    
  SINCE JUN 1      3.68                      5.86  -2.18    13.98    
  SINCE JAN 1     14.98                     22.67  -7.69    25.49    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         1     -1        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       17                        11      6       16       
  MONTH TO DATE  171                       158     13      180       
  SINCE JUN 1    462                       361    101      419       
  SINCE JAN 1    613                       436    177      501       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     7.1                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  LIGHT RAIN                                                         

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           400 AM                                     
 LOWEST     30           300 PM                                     
 AVERAGE    52                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       104      1988                    
 MINIMUM TEMPERATURE (F)   64        57      1991                    
                                             1967                    
                                             1966                    

                                                                      
SUNRISE AND SUNSET                                                   
JULY 16 2007..........SUNRISE   557 AM EDT   SUNSET   834 PM EDT   
JULY 17 2007..........SUNRISE   558 AM EDT   SUNSET   834 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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