AFOS product CLIIAD
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CDUS41 KLWX 090522
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT FRI OCT 09 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 8 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         71   2:04 PM  92    2007  71      0       67        
  MINIMUM         45  11:59 PM  30    2001  46     -1       56        
  AVERAGE         58                        59     -1       62     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.79 2005   0.10  -0.10     0.04     
  MONTH TO DATE    0.15                      0.84  -0.69     0.05     
  SINCE SEP 1      2.43                      4.76  -2.33     0.46     
  SINCE JAN 1     36.65                     32.76   3.89    30.30     

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        7                         7      0        3        
  MONTH TO DATE   57                        50      7       12        
  SINCE SEP 1    118                       106     12       17        
  SINCE JUL 1    118                       108     10       17        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    1                        10     -9       48        
  SINCE SEP 1    136                       151    -15      286        
  SINCE JAN 1   1388                      1167    221     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     7.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          11:00 PM                                      
 LOWEST     36           5:00 PM                                      
 AVERAGE    61                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   70        94      2007                      
 MINIMUM TEMPERATURE (F)   46        26      2001                      


SUNRISE AND SUNSET                                                    
OCTOBER  9 2020.......SUNRISE   7:14 AM EDT   SUNSET   6:39 PM EDT     
OCTOBER 10 2020.......SUNRISE   7:15 AM EDT   SUNSET   6:38 PM EDT     


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




$$