AFOS product CLIIAD
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CDUS41 KLWX 130532
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1232 AM EST FRI NOV 13 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 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         69  12:00 AM  74    1964  59     10       60        
  MINIMUM         49  11:59 PM  22    1973  36     13       28        
                                      1988                           
  AVERAGE         59                        48     11       44     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.48          1.92 2004   0.10   0.38     0.16     
  MONTH TO DATE    2.03                      1.35   0.68     0.29     
  SINCE SEP 1      7.85                      8.52  -0.67     6.67     
  SINCE JAN 1     42.07                     36.52   5.55    36.51     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           4.2  1968   0.0    0.0       T       
  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        6                        17    -11       21        
  MONTH TO DATE  110                       187    -77      250        
  SINCE SEP 1    377                       541   -164      435        
  SINCE JUL 1    377                       543   -166      435        

 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    21   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED     8.4                                        


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   100          12:00 AM                                      
 LOWEST     65           6:00 PM                                      
 AVERAGE    83                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   59        75      1964                      
 MINIMUM TEMPERATURE (F)   36        19      2019                      


SUNRISE AND SUNSET                                                    
NOVEMBER 13 2020......SUNRISE   6:51 AM EST   SUNSET   4:57 PM EST     
NOVEMBER 14 2020......SUNRISE   6:52 AM EST   SUNSET   4:56 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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