CDUS41 KLWX 200529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT THU JUN 20 2013
................................... 
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 19 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2013
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         77    332 PM  98    1994  85     -8       90       
  MINIMUM         63   1143 PM  45    1986  62      1       67       
  AVERAGE         70                        74     -4       79      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.99 2003   0.13  -0.13     0.00    
  MONTH TO DATE    4.08                      2.59   1.49     1.33    
  SINCE JUN 1      4.08                      2.59   1.49     1.33    
  SINCE JAN 1     18.07                     19.41  -1.34    14.14    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1     12.7                      22.0   -9.3              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                        13    -13        9       
  SINCE JUN 1      0                        13    -13        9       
  SINCE JUL 1   4560                      4715   -155     3770       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         9     -4       14       
  MONTH TO DATE  136                       128      8       82       
  SINCE JUN 1    136                       128      8       82       
  SINCE JAN 1    275                       220     55      256       
..................................................................
WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     4.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     60           400 PM                                     
 AVERAGE    77                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85        97      1964                    
 MINIMUM TEMPERATURE (F)   63        48      2000                    
                                                                     
SUNRISE AND SUNSET                                                   
JUNE 20 2013..........SUNRISE   544 AM EDT   SUNSET   839 PM EDT   
JUNE 21 2013..........SUNRISE   545 AM EDT   SUNSET   839 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          
$$