AFOS product CLIIAD
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CDUS41 KLWX 060524
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1224 AM EST THU FEB 6 2020


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 5 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         59   1215 AM  73    1991  44     15       72       
  MINIMUM         37   1159 PM -10    1996  25     12       33       
  AVERAGE         48                        34     14       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          1.47 2010   0.09  -0.03      T      
  MONTH TO DATE    0.16                      0.49  -0.33     0.07    
  SINCE DEC 1      6.46                      6.13   0.33     9.79    
  SINCE JAN 1      3.49                      3.17   0.32     4.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          14.9  2010   0.3   -0.3              
  MONTH TO DATE    0.0                       1.6   -1.6              
  SINCE JUL 1      2.9                      12.9  -10.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        31    -14       12       
  MONTH TO DATE   82                       155    -73      147       
  SINCE DEC 1   1686                      2023   -337     1952       
  SINCE JUL 1   2549                      2939   -390     2910       
                                                                     
 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    21   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     8.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           900 PM                                     
 LOWEST     70           300 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   45        71      2008                    
 MINIMUM TEMPERATURE (F)   25        -9      1996                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  6 2020......SUNRISE   712 AM EST   SUNSET   536 PM EST   
FEBRUARY  7 2020......SUNRISE   711 AM EST   SUNSET   538 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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