000 
CDUS41 KLWX 170534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST THU FEB 17 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 16 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         61   1109 AM  70    1976  46     15       32       
  MINIMUM         35   1110 PM  11    1987  24     11       16       
  AVERAGE         48                        35     13       24      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.33 2003   0.10  -0.10     0.00    
  MONTH TO DATE    0.62                      1.55  -0.93     1.83    
  SINCE DEC 1      6.77                      7.67  -0.90     7.81    
  SINCE JAN 1      3.76                      4.60  -0.84     3.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          15.9  2003   0.2   -0.2      0.0     
  MONTH TO DATE    1.4                       3.8   -2.4       T      
  SINCE DEC 1      8.8                      14.1   -5.3     17.4     
  SINCE JUL 1      8.8                      15.0   -6.2     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        30    -13       41       
  MONTH TO DATE  404                       506   -102      530       
  SINCE DEC 1   2169                      2415   -246     2559       
  SINCE JUL 1   2974                      3392   -418     3385       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    10.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           100 AM                                     
 LOWEST     51           900 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        75      1976                    
 MINIMUM TEMPERATURE (F)   24        -4      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 17 2005......SUNRISE   658 AM EST   SUNSET   550 PM EST   
FEBRUARY 18 2005......SUNRISE   657 AM EST   SUNSET   551 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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