AFOS product CLIIAD
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CDUS41 KLWX 070531
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
131 AM EDT WED OCT 07 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 6 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         73   2:25 PM  89    2013  71      2       72        
  MINIMUM         40   5:52 AM  28    1968  47     -7       60        
  AVERAGE         57                        59     -2       66     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.05 2006   0.11  -0.11      T       
  MONTH TO DATE    0.15                      0.63  -0.48      T       
  SINCE SEP 1      2.43                      4.55  -2.12     0.41     
  SINCE JAN 1     36.65                     32.55   4.10    30.25     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        8                         7      1        0        
  MONTH TO DATE   50                        36     14        9        
  SINCE SEP 1    111                        92     19       14        
  SINCE JUL 1    111                        94     17       14        

 COOLING                                                              
  YESTERDAY        0                         1     -1        1        
  MONTH TO DATE    0                         8     -8       43        
  SINCE SEP 1    135                       149    -14      281        
  SINCE JAN 1   1387                      1165    222     1516        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     3.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           6:00 AM                                      
 LOWEST     44           2:00 PM                                      
 AVERAGE    71                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        91      2007                      
 MINIMUM TEMPERATURE (F)   47        31      1988                      


SUNRISE AND SUNSET                                                    
OCTOBER  7 2020.......SUNRISE   7:12 AM EDT   SUNSET   6:42 PM EDT     
OCTOBER  8 2020.......SUNRISE   7:13 AM EDT   SUNSET   6:41 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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