AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
165 
CDUS41 KLWX 030525
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1225 AM EST THU DEC 03 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 2 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         48   3:35 PM  75    1970  51     -3       43        
  MINIMUM         34  10:53 PM   0    1967  31      3       37        
  AVERAGE         41                        41      0       40     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.42 1986   0.11  -0.11     0.01     
  MONTH TO DATE    0.01                      0.22  -0.21     0.40     
  SINCE DEC 1      0.01                      0.22  -0.21     0.40     
  SINCE JAN 1     43.66                     38.80   4.86    38.24     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1983   0.1   -0.1       T       
                                      1987                           
                                      2019                           
  MONTH TO DATE    0.0                       0.2   -0.2       T       
  SINCE DEC 1      0.0                       0.2   -0.2       T       
  SINCE JUL 1      0.0                       0.7   -0.7       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       24                        24      0       25        
  MONTH TO DATE   46                        48     -2       49        
  SINCE DEC 1     46                        48     -2       49        
  SINCE JUL 1    713                       964   -251      912        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1406                      1178    228     1524        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    11.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    66           7:00 AM                                      
 LOWEST     31           4:00 PM                                      
 AVERAGE    49                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   50        74      1998                      
 MINIMUM TEMPERATURE (F)   30         7      1976                      


SUNRISE AND SUNSET                                                    
DECEMBER  3 2020......SUNRISE   7:12 AM EST   SUNSET   4:48 PM EST     
DECEMBER  4 2020......SUNRISE   7:13 AM EST   SUNSET   4:47 PM EST     


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




$$