AFOS product CLIIAD
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CDUS41 KLWX 150531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT THU SEP 15 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 14 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         87    355 PM  95    1998  80      7       76       
  MINIMUM         69    141 AM  37    1985  57     12       60       
  AVERAGE         78                        68     10       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          5.52 1966   0.13  -0.13     0.08    
  MONTH TO DATE    0.00                      1.82  -1.82     1.51    
  SINCE SEP 1      0.00                      1.82  -1.82     1.51    
  SINCE JAN 1     29.77                     30.05  -0.28    26.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE SEP 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         8     -8        0       
  SINCE SEP 1      0                         8     -8        0       
  SINCE JUL 1      0                        13    -13        2       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         5      8        3       
  MONTH TO DATE  101                        82     19       91       
  SINCE SEP 1    101                        82     19       91       
  SINCE JAN 1   1212                      1007    205     1150       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     2.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97           600 AM                                     
 LOWEST     51           400 PM                                     
 AVERAGE    74                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      1998                    
 MINIMUM TEMPERATURE (F)   56        38      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 15 2005.....SUNRISE   651 AM EDT   SUNSET   718 PM EDT   
SEPTEMBER 16 2005.....SUNRISE   652 AM EDT   SUNSET   716 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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