AFOS product CLIIAD
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CDUS41 KLWX 220537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
134 AM EDT SUN MAY 22 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 21 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         73    428 PM  92    1996  76     -3       82       
  MINIMUM         41    516 AM  33    1992  52    -11       65       
  AVERAGE         57                        64     -7       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.06 2003   0.14  -0.12     0.37    
  MONTH TO DATE    3.61                      2.82   0.79     2.38    
  SINCE MAR 1     11.88                      9.59   2.29     9.47    
  SINCE JAN 1     16.43                     15.41   1.02    12.81    
                                                                     
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        8                         3      5        0       
  MONTH TO DATE  146                       114     32       43       
  SINCE MAR 1   1185                      1146     39      953       
  SINCE JUL 1   4521                      4906   -385     4680       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        9       
  MONTH TO DATE   15                        28    -13      126       
  SINCE MAR 1     26                        43    -17      163       
  SINCE JAN 1     26                        43    -17      163       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     6.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     31           500 PM                                     
 AVERAGE    66                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        88      2004                    
                                             1984                    
 MINIMUM TEMPERATURE (F)   52        31      2002                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2005...........SUNRISE   552 AM EDT   SUNSET   822 PM EDT   
MAY 23 2005...........SUNRISE   551 AM EDT   SUNSET   823 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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