AFOS product CLIIAD
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CDUS41 KLWX 080526
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
126 AM EDT THU OCT 08 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 7 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         83   2:53 PM  91    2007  71     12       81        
  MINIMUM         49   5:05 AM  31    1988  47      2       58        
  AVERAGE         66                        59      7       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          3.50 2005   0.11  -0.11     0.01     
  MONTH TO DATE    0.15                      0.74  -0.59     0.01     
  SINCE SEP 1      2.43                      4.66  -2.23     0.42     
  SINCE JAN 1     36.65                     32.66   3.99    30.26     

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        0                         7     -7        0        
  MONTH TO DATE   50                        43      7        9        
  SINCE SEP 1    111                        99     12       14        
  SINCE JUL 1    111                       101     10       14        

 COOLING                                                              
  YESTERDAY        1                         1      0        5        
  MONTH TO DATE    1                         9     -8       48        
  SINCE SEP 1    136                       150    -14      286        
  SINCE JAN 1   1388                      1166    222     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)       
  AVERAGE WIND SPEED     6.7                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           7:00 AM                                      
 LOWEST     37           3:00 PM                                      
 AVERAGE    69                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        92      2007                      
 MINIMUM TEMPERATURE (F)   46        30      2001                      


SUNRISE AND SUNSET                                                    
OCTOBER  8 2020.......SUNRISE   7:13 AM EDT   SUNSET   6:41 PM EDT     
OCTOBER  9 2020.......SUNRISE   7:14 AM EDT   SUNSET   6:39 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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