AFOS product CLIIAD
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CDUS41 KLWX 050522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1222 AM EST WED FEB 5 2020


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 4 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         67    351 PM  70    1991  44     23       63       
  MINIMUM         53    708 AM   4    1996  25     28       27       
                                      1965                          
  AVERAGE         60                        34     26       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.17 1998   0.10  -0.10     0.00    
  MONTH TO DATE    0.10                      0.40  -0.30     0.07    
  SINCE DEC 1      6.40                      6.04   0.36     9.79    
  SINCE JAN 1      3.43                      3.08   0.35     4.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.2  1995   0.3   -0.3              
  MONTH TO DATE    0.0                       1.3   -1.3              
  SINCE JUL 1      2.9                      12.6   -9.7              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                        31    -26       20       
  MONTH TO DATE   65                       124    -59      135       
  SINCE DEC 1   1669                      1992   -323     1940       
  SINCE JUL 1   2532                      2908   -376     2898       
                                                                     
 COOLING                                                             
  YESTERDAY        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    10   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     5.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77          1100 PM                                     
 LOWEST     43          1200 AM                                     
 AVERAGE    60                                                       

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

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

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  5 2020......SUNRISE   713 AM EST   SUNSET   535 PM EST   
FEBRUARY  6 2020......SUNRISE   712 AM EST   SUNSET   536 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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