AFOS product CLIIAD
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CDUS41 KLWX 260527
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
127 AM EDT SUN MAR 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 25 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78R   248 PM  76    2003  59     19       71       
                                      2000                          
                                      1988                          
  MINIMUM         55    645 AM  17    1971  36     19       47       
  AVERAGE         67                        47     20       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.96 1984   0.12  -0.12      T      
  MONTH TO DATE    2.00                      2.63  -0.63     1.04    
  SINCE MAR 1      2.00                      2.63  -0.63     1.04    
  SINCE JAN 1      5.44                      8.05  -2.61     9.30    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.8  2014   0.0    0.0              
  MONTH TO DATE    5.7                       2.5    3.2              
  SINCE JUL 1      7.3                      21.4  -14.1              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        18    -18        6       
  MONTH TO DATE  576                       548     28      370       
  SINCE MAR 1    576                       548     28      370       
  SINCE JUL 1   3469                      4138   -669     3461       
                                                                     
 COOLING                                                             
  YESTERDAY        2                         0      2        0       
  MONTH TO DATE    2                         0      2        5       
  SINCE MAR 1      2                         0      2        5       
  SINCE JAN 1      2                         0      2        5       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           500 AM                                     
 LOWEST     36           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        78      2004                    
 MINIMUM TEMPERATURE (F)   36        17      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 26 2017.........SUNRISE   703 AM EDT   SUNSET   728 PM EDT   
MARCH 27 2017.........SUNRISE   702 AM EDT   SUNSET   729 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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