AFOS product CLIIAD
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CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1223 AM EST FRI FEB 14 2020


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 13 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         55    324 PM  65    1974  46      9       48       
  MINIMUM         39   1159 PM  -8    1983  26     13       32       
  AVERAGE         47                        36     11       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.11          1.29 1972   0.10   0.01     0.00    
  MONTH TO DATE    2.13                      1.28   0.85     1.51    
  SINCE DEC 1      8.43                      6.92   1.51    11.23    
  SINCE JAN 1      5.46                      3.96   1.50     5.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          11.7  2014   0.3   -0.3              
  MONTH TO DATE    T                         4.0   -4.0              
  SINCE JUL 1      2.9                      15.3  -12.4              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        29    -11       25       
  MONTH TO DATE  254                       393   -139      363       
  SINCE DEC 1   1858                      2261   -403     2168       
  SINCE JUL 1   2721                      3177   -456     3126       
                                                                     
 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    29   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    11.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           700 AM                                     
 LOWEST     57          1000 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        71      1990                    
 MINIMUM TEMPERATURE (F)   26        -5      1979                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 14 2020......SUNRISE   703 AM EST   SUNSET   546 PM EST   
FEBRUARY 15 2020......SUNRISE   702 AM EST   SUNSET   547 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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