AFOS product CLIIAD
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CDUS41 KLWX 140527
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1227 AM EST SAT NOV 14 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 13 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         62   3:48 PM  75    1964  59      3       37        
  MINIMUM         45  10:35 PM  19    2019  36      9       19        
  AVERAGE         54                        47      7       28     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.87 2012   0.10  -0.10     0.00     
  MONTH TO DATE    2.03                      1.45   0.58     0.29     
  SINCE SEP 1      7.85                      8.62  -0.77     6.67     
  SINCE JAN 1     42.07                     36.62   5.45    36.51     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1995   0.0    0.0      0.0      
                                      2012                           
                                      2014                           
  MONTH TO DATE    0.0                       0.1   -0.1       T       
  SINCE SEP 1      0.0                       0.1   -0.1       T       
  SINCE JUL 1      0.0                       0.1   -0.1       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       11                        18     -7       37        
  MONTH TO DATE  121                       205    -84      287        
  SINCE SEP 1    388                       559   -171      472        
  SINCE JUL 1    388                       561   -173      472        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    1                         0      1        0        
  SINCE SEP 1    154                       160     -6      289        
  SINCE JAN 1   1406                      1176    230     1524        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     5.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           4:00 AM                                      
 LOWEST     42           4:00 PM                                      
 AVERAGE    63                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   58        80      1985                      
 MINIMUM TEMPERATURE (F)   36        13      1986                      


SUNRISE AND SUNSET                                                    
NOVEMBER 14 2020......SUNRISE   6:52 AM EST   SUNSET   4:56 PM EST     
NOVEMBER 15 2020......SUNRISE   6:53 AM EST   SUNSET   4:55 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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