AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
954 
CDUS41 KLWX 280531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1228 AM EST TUE JAN 28 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 27 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         22    418 PM  71    1974  42    -20       67       
  MINIMUM          7   1044 PM  -9    1987  22    -15       24       
  AVERAGE         15                        32    -17       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.95 1976   0.09  -0.09     0.00    
  MONTH TO DATE    2.52                      2.69  -0.17     1.20    
  SINCE DEC 1      6.13                      5.76   0.37     2.76    
  SINCE JAN 1      2.52                      2.69  -0.17     1.20    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.3  1994   0.3   -0.3      0.0     
  MONTH TO DATE    5.1                       6.9   -1.8      2.6     
  SINCE DEC 1     13.3                       9.1    4.2      2.6     
  SINCE JUL 1     13.3                      10.0    3.3      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       50                        33     17       19       
  MONTH TO DATE  986                       893     93      757       
  SINCE DEC 1   1958                      1777    181     1483       
  SINCE JUL 1   2940                      2754    186     2286       
                                                                     
 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    24   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    11.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    63           900 PM                                     
 LOWEST     31           200 PM                                     
 AVERAGE    47                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        68      2002                    
 MINIMUM TEMPERATURE (F)   22       -17      1987                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 28 2003.......SUNRISE   720 AM EST   SUNSET   526 PM EST   
JANUARY 29 2003.......SUNRISE   719 AM EST   SUNSET   527 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.