AFOS product CLIIAD
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CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST THU MAR 18 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 17 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         38   1019 AM  77    1963  55    -17       64       
  MINIMUM         29   1159 PM  16    1970  32     -3       50       
  AVERAGE         34                        44    -10       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.14 1993   0.12  -0.11     0.01    
  MONTH TO DATE    1.65                      1.95  -0.30     0.65    
  SINCE MAR 1      1.65                      1.95  -0.30     0.65    
  SINCE JAN 1      4.99                      7.77  -2.78     9.61    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             1.9  1965   0.1   -0.1      0.0     
  MONTH TO DATE    T                         2.1   -2.1      0.1     
  SINCE MAR 1      T                         2.1   -2.1      0.1     
  SINCE JUL 1     17.4                      19.5   -2.1     48.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        21     10        8       
  MONTH TO DATE  319                       406    -87      432       
  SINCE MAR 1    319                       406    -87      432       
  SINCE JUL 1   4044                      4139    -95     4476       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     2.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  LIGHT SNOW                                                         
  SLEET                                                              
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1100 PM                                     
 LOWEST     70          1100 AM                                     
 AVERAGE    85                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        80      1989                    
 MINIMUM TEMPERATURE (F)   32        13      1976                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 18 2004.........SUNRISE   616 AM EST   SUNSET   620 PM EST   
MARCH 19 2004.........SUNRISE   614 AM EST   SUNSET   621 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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