AFOS product CLIIAD
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CDUS41 KLWX 200534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
132 AM EDT FRI MAY 20 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 19 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         69   1207 PM  92    1997  75     -6       77       
  MINIMUM         51    414 AM  36    2002  51      0       64       
  AVERAGE         60                        63     -3       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.35          1.18 1988   0.14   0.21     0.02    
  MONTH TO DATE    1.73                      2.54  -0.81     2.00    
  SINCE MAR 1     10.00                      9.31   0.69     9.09    
  SINCE JAN 1     14.55                     15.13  -0.58    12.43    
                                                                     
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 MAR 1      1.2                       3.8   -2.6       T      
  SINCE JUL 1     17.3                      21.2   -3.9     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         4      1        0       
  MONTH TO DATE  126                       107     19       43       
  SINCE MAR 1   1165                      1139     26      953       
  SINCE JUL 1   4501                      4899   -398     4680       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        6       
  MONTH TO DATE   15                        24     -9      113       
  SINCE MAR 1     26                        39    -13      150       
  SINCE JAN 1     26                        39    -13      150       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     5.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1100 PM                                     
 LOWEST     57          1200 PM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        93      1996                    
 MINIMUM TEMPERATURE (F)   51        36      2002                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2005...........SUNRISE   553 AM EDT   SUNSET   820 PM EDT   
MAY 21 2005...........SUNRISE   552 AM EDT   SUNSET   821 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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