AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
268 
CDUS41 KLWX 280523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
123 AM EDT WED OCT 28 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 27 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         63   4:13 PM  84    1963  65     -2       79        
  MINIMUM         55   2:32 AM  21    1988  40     15       57        
  AVERAGE         59                        52      7       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.89 2003   0.10  -0.10     1.29     
  MONTH TO DATE    1.70                      2.81  -1.11     4.25     
  SINCE SEP 1      3.98                      6.73  -2.75     4.66     
  SINCE JAN 1     38.20                     34.73   3.47    34.50     

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        6                        13     -7        0        
  MONTH TO DATE  159                       244    -85      164        
  SINCE SEP 1    220                       300    -80      169        
  SINCE JUL 1    220                       302    -82      169        

 COOLING                                                              
  YESTERDAY        0                         0      0        3        
  MONTH TO DATE   17                        16      1       51        
  SINCE SEP 1    152                       157     -5      289        
  SINCE JAN 1   1404                      1173    231     1524        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (360)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (360)       
  AVERAGE WIND SPEED     3.2                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           1:00 AM                                      
 LOWEST     62          12:00 PM                                      
 AVERAGE    80                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   64        83      1984                      
 MINIMUM TEMPERATURE (F)   40        22      1976                      


SUNRISE AND SUNSET                                                    
OCTOBER 28 2020.......SUNRISE   7:33 AM EDT   SUNSET   6:13 PM EDT     
OCTOBER 29 2020.......SUNRISE   7:34 AM EDT   SUNSET   6:12 PM EDT     


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




$$