AFOS product CLIIAD
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CDUS41 KLWX 050522
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT MON OCT 05 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 4 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         68   3:23 PM  90    2013  72     -4       78        
  MINIMUM         40   5:57 AM  26    1974  48     -8       51        
  AVERAGE         54                        60     -6       65     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.81 1999   0.11  -0.11     0.00     
  MONTH TO DATE    0.09                      0.42  -0.33     0.00     
  SINCE SEP 1      2.37                      4.34  -1.97     0.41     
  SINCE JAN 1     36.59                     32.34   4.25    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       11                         6      5        0        
  MONTH TO DATE   34                        23     11        0        
  SINCE SEP 1     95                        79     16        5        
  SINCE JUL 1     95                        81     14        5        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    0                         6     -6       42        
  SINCE SEP 1    135                       147    -12      280        
  SINCE JAN 1   1387                      1163    224     1515        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     1.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           3:00 AM                                      
 LOWEST     40           3:00 PM                                      
 AVERAGE    68                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        90      1967                      
                                             2013                     
 MINIMUM TEMPERATURE (F)   48        32      1970                      


SUNRISE AND SUNSET                                                    
OCTOBER  5 2020.......SUNRISE   7:10 AM EDT   SUNSET   6:45 PM EDT     
OCTOBER  6 2020.......SUNRISE   7:11 AM EDT   SUNSET   6:44 PM EDT     


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




$$