AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
127 AM EDT TUE OCT 13 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 12 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         65   1:40 AM  83    1995  69     -4       71        
                                      2010                           
  MINIMUM         55  11:59 PM  25    1964  45     10       45        
  AVERAGE         60                        57      3       58     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.48          0.78 1990   0.10   0.38      T       
  MONTH TO DATE    1.32                      1.27   0.05     0.10     
  SINCE SEP 1      3.60                      5.19  -1.59     0.51     
  SINCE JAN 1     37.82                     33.19   4.63    30.35     

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        5                         9     -4        7        
  MONTH TO DATE   71                        83    -12       26        
  SINCE SEP 1    132                       139     -7       31        
  SINCE JUL 1    132                       141     -9       31        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    4                        14    -10       48        
  SINCE SEP 1    139                       155    -16      286        
  SINCE JAN 1   1391                      1171    220     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (50)        
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     E (70)        
  AVERAGE WIND SPEED    10.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           4:00 AM                                      
 LOWEST     90           9:00 AM                                      
 AVERAGE    94                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        84      1989                      
 MINIMUM TEMPERATURE (F)   45        30      1987                      
                                             1988                     
                                             2012                     


SUNRISE AND SUNSET                                                    
OCTOBER 13 2020.......SUNRISE   7:18 AM EDT   SUNSET   6:33 PM EDT     
OCTOBER 14 2020.......SUNRISE   7:19 AM EDT   SUNSET   6:32 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$