AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
973 
CDUS41 KLWX 042132
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
432 PM EST THU FEB 04 2021

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 4 2021...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         49   3:45 PM  70    1991  44      5       67        
  MINIMUM         28   7:25 AM   4    1965  25      3       53        
                                      1996                           
  AVERAGE         39                        34      5       60     

PRECIPITATION (IN)                                                    
  TODAY            0.00          2.17 1998   0.10  -0.10      T       
  MONTH TO DATE    0.23                      0.40  -0.17     0.10     
  SINCE DEC 1      7.92                      6.04   1.88     6.40     
  SINCE JAN 1      2.11                      3.08  -0.97     3.43     

SNOWFALL (IN)                                                              
  TODAY            0.0           6.2  1995   0.3   -0.3      0.0      
  MONTH TO DATE    2.7                       1.3    1.4      0.0      
  SINCE DEC 1      8.3                      12.1   -3.8      2.9      
  SINCE JUL 1      8.3                      12.6   -4.3      2.9      
  SNOW DEPTH       2                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           26                        31     -5        5        
  MONTH TO DATE  121                       124     -3       65        
  SINCE DEC 1   1827                      1992   -165     1669        
  SINCE JUL 1   2494                      2908   -414     2532        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED    10.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53           5:00 AM                                      
 LOWEST     22           3:00 PM                                      
 AVERAGE    38                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        73      1991                      
 MINIMUM TEMPERATURE (F)   25       -10      1996                      


SUNRISE AND SUNSET                                                    
FEBRUARY  4 2021......SUNRISE   7:13 AM EST   SUNSET   5:35 PM EST     
FEBRUARY  5 2021......SUNRISE   7:12 AM EST   SUNSET   5:36 PM EST     


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




$$