AFOS product CLIIAD
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CDUS41 KLWX 150523
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1223 AM EST SAT FEB 15 2020


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 14 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         40    153 AM  71    1990  46     -6       50       
  MINIMUM         23   1159 PM  -5    1979  26     -3       26       
  AVERAGE         32                        36     -4       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.27 1984   0.10  -0.10     0.00    
  MONTH TO DATE    2.13                      1.38   0.75     1.51    
  SINCE DEC 1      8.43                      7.02   1.41    11.23    
  SINCE JAN 1      5.46                      4.06   1.40     5.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.4  1970   0.2   -0.2              
  MONTH TO DATE    T                         4.2   -4.2              
  SINCE JUL 1      2.9                      15.5  -12.6              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       33                        29      4       27       
  MONTH TO DATE  287                       422   -135      390       
  SINCE DEC 1   1891                      2290   -399     2195       
  SINCE JUL 1   2754                      3206   -452     3153       
                                                                     
 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    25   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    12.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           300 AM                                     
 LOWEST     35           400 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        76      2018                    
 MINIMUM TEMPERATURE (F)   26         6      2015                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 15 2020......SUNRISE   702 AM EST   SUNSET   547 PM EST   
FEBRUARY 16 2020......SUNRISE   700 AM EST   SUNSET   548 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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