AFOS product CLIIAD
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CDUS41 KLWX 250522
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT SUN OCT 25 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 24 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         75  12:56 PM  84    2001  66      9       70        
  MINIMUM         55  11:59 PM  15    1969  41     14       35        
  AVERAGE         65                        53     12       53     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.69 2009   0.11  -0.11     0.00     
  MONTH TO DATE    1.33                      2.50  -1.17     2.96     
  SINCE SEP 1      3.61                      6.42  -2.81     3.37     
  SINCE JAN 1     37.83                     34.42   3.41    33.21     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                        12    -12       12        
  MONTH TO DATE  128                       207    -79      147        
  SINCE SEP 1    189                       263    -74      152        
  SINCE JUL 1    189                       265    -76      152        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE   17                        16      1       48        
  SINCE SEP 1    152                       157     -5      286        
  SINCE JAN 1   1404                      1173    231     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (360)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED     7.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           4:00 AM                                      
 LOWEST     57          10:00 PM                                      
 AVERAGE    77                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   65        77      1963                      
 MINIMUM TEMPERATURE (F)   41        27      1969                      


SUNRISE AND SUNSET                                                    
OCTOBER 25 2020.......SUNRISE   7:30 AM EDT   SUNSET   6:17 PM EDT     
OCTOBER 26 2020.......SUNRISE   7:31 AM EDT   SUNSET   6:16 PM EDT     


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




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