AFOS product CLIIAD
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CDUS41 KLWX 080534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1233 AM EST WED MAR 8 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 7 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         68    159 PM  76    1974  52     16       66       
  MINIMUM         43    651 AM   2    2015  30     13       29       
  AVERAGE         56                        41     15       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.18          1.53 1967   0.10   0.08     0.00    
  MONTH TO DATE    0.19                      0.66  -0.47     0.13    
  SINCE MAR 1      0.19                      0.66  -0.47     0.13    
  SINCE JAN 1      3.63                      6.08  -2.45     8.39    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.3  1969   0.2   -0.2              
  MONTH TO DATE    0.1                       1.0   -0.9              
  SINCE JUL 1      1.7                      19.9  -18.2              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                        24    -15       17       
  MONTH TO DATE  158                       173    -15      168       
  SINCE MAR 1    158                       173    -15      168       
  SINCE JUL 1   3051                      3763   -712     3259       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     7.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           700 PM                                     
 LOWEST     48           100 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   53        84      2000                    
 MINIMUM TEMPERATURE (F)   31        11      2007                    
                                             1986                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  8 2017.........SUNRISE   631 AM EST   SUNSET   610 PM EST   
MARCH  9 2017.........SUNRISE   630 AM EST   SUNSET   611 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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