AFOS product CLIIAD
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CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
136 AM EDT FRI APR 23 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 22 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         82    144 PM  92    1985  68     14       66       
  MINIMUM         59    441 AM  27    1975  42     17       52       
  AVERAGE         71                        55     16       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.14 1972   0.11  -0.11     0.03    
  MONTH TO DATE    3.60                      2.31   1.29     2.29    
  SINCE MAR 1      5.65                      5.86  -0.21     6.00    
  SINCE JAN 1      8.99                     11.68  -2.69    14.96    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1993   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4       T      
  SINCE MAR 1      T                         3.8   -3.8      1.9     
  SINCE JUL 1     17.4                      21.2   -3.8     50.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        10    -10        6       
  MONTH TO DATE  288                       290     -2      286       
  SINCE MAR 1    862                       960    -98      927       
  SINCE JUL 1   4587                      4693   -106     4971       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         1      5        0       
  MONTH TO DATE   31                         3     28        8       
  SINCE MAR 1     31                         7     24        8       
  SINCE JAN 1     31                         7     24        8       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     6.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84          1100 PM                                     
 LOWEST     33          M300 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        88      2001                    
 MINIMUM TEMPERATURE (F)   42        30      1989                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 23 2004.........SUNRISE   622 AM EDT   SUNSET   755 PM EDT   
APRIL 24 2004.........SUNRISE   620 AM EDT   SUNSET   756 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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