AFOS product CLIIAD
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CDUS41 KLWX 310530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT FRI AUG 31 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 30 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         88    334 PM  99    1991  84      4       81       
  MINIMUM         69   1211 AM  41    1986  61      8       69       
  AVERAGE         79                        72      7       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.21 1978   0.13  -0.13     0.03    
  MONTH TO DATE    1.67                      3.65  -1.98     1.24    
  SINCE JUN 1      6.34                     11.29  -4.95    15.48    
  SINCE JAN 1     17.64                     28.10 -10.46    26.99    
                                                                     
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                         0      0        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       14                         8      6       10       
  MONTH TO DATE  420                       295    125      404       
  SINCE JUN 1   1100                       843    257     1072       
  SINCE JAN 1   1251                       918    333     1154       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     5.3                                         

                                                                      
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    79          1100 PM                                     
 LOWEST     47          1100 AM                                     
 AVERAGE    63                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83        98      1991                    
 MINIMUM TEMPERATURE (F)   61        43      1976                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 31 2007........SUNRISE   637 AM EDT   SUNSET   742 PM EDT   
SEPTEMBER  1 2007.....SUNRISE   638 AM EDT   SUNSET   741 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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