AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
640 
CDUS41 KLWX 100530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1228 AM EST MON FEB 10 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 9 2003...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         41    432 PM  69    2001  44     -3       54       
  MINIMUM          7    403 AM  -5    1967  23    -16       26       
  AVERAGE         24                        33     -9       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.07 1970   0.10  -0.10     0.00    
  MONTH TO DATE    0.79                      0.85  -0.06     0.20    
  SINCE DEC 1      7.09                      6.97   0.12     2.98    
  SINCE JAN 1      3.48                      3.90  -0.42     1.42    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1980   0.2   -0.2      0.0     
  MONTH TO DATE    6.1                       2.4    3.7       T      
  SINCE DEC 1     19.4                      12.7    6.7      2.6     
  SINCE JUL 1     19.4                      13.6    5.8      2.6     
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       41                        32      9       25       
  MONTH TO DATE  294                       291      3      247       
  SINCE DEC 1   2393                      2200    193     1769       
  SINCE JUL 1   3375                      3177    198     2572       
                                                                     
 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    14   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     3.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           300 AM                                     
 LOWEST     40           100 PM                                     
 AVERAGE    64                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        63      1990                    
                                             2001                    
 MINIMUM TEMPERATURE (F)   23       -10      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 10 2003......SUNRISE   707 AM EST   SUNSET   541 PM EST   
FEBRUARY 11 2003......SUNRISE   706 AM EST   SUNSET   542 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.