AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1225 AM EST TUE NOV 10 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 9 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         76   3:26 PM  78    1994  60     16       45        
  MINIMUM         46   4:18 AM  19    1967  37      9       21        
                                      1971                           
                                      1976                           
  AVERAGE         61                        49     12       33     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.54 2015   0.11  -0.11     0.00     
  MONTH TO DATE    0.34                      1.04  -0.70     0.13     
  SINCE SEP 1      6.16                      8.21  -2.05     6.51     
  SINCE JAN 1     40.38                     36.21   4.17    36.35     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1971   0.0    0.0      0.0      
                                      1991                           
  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        4                        16    -12       32        
  MONTH TO DATE  103                       136    -33      192        
  SINCE SEP 1    370                       490   -120      377        
  SINCE JUL 1    370                       492   -122      377        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE SEP 1    153                       160     -7      289        
  SINCE JAN 1   1405                      1176    229     1524        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     3.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           8:00 AM                                      
 LOWEST     52           2:00 PM                                      
 AVERAGE    76                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   60        75      1985                      
 MINIMUM TEMPERATURE (F)   37        21      2003                      


SUNRISE AND SUNSET                                                    
NOVEMBER 10 2020......SUNRISE   6:48 AM EST   SUNSET   5:00 PM EST     
NOVEMBER 11 2020......SUNRISE   6:49 AM EST   SUNSET   4:59 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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