AFOS product CLIIAD
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CDUS41 KLWX 190525
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
125 AM EDT MON OCT 19 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 18 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         65   3:22 PM  85    2016  68     -3       64        
  MINIMUM         34   6:48 AM  27    1976  43     -9       41        
                                      1982                           
  AVERAGE         50                        55     -5       53     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.09 1996   0.10  -0.10     0.00     
  MONTH TO DATE    1.33                      1.88  -0.55     1.14     
  SINCE SEP 1      3.61                      5.80  -2.19     1.55     
  SINCE JAN 1     37.83                     33.80   4.03    31.39     

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       15                        10      5       12        
  MONTH TO DATE  122                       140    -18       84        
  SINCE SEP 1    183                       196    -13       89        
  SINCE JUL 1    183                       198    -15       89        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    4                        16    -12       48        
  SINCE SEP 1    139                       157    -18      286        
  SINCE JAN 1   1391                      1173    218     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (170)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     2.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           2:00 AM                                      
 LOWEST     48           3:00 PM                                      
 AVERAGE    72                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   67        87      2016                      
 MINIMUM TEMPERATURE (F)   43        25      1976                      


SUNRISE AND SUNSET                                                    
OCTOBER 19 2020.......SUNRISE   7:24 AM EDT   SUNSET   6:25 PM EDT     
OCTOBER 20 2020.......SUNRISE   7:25 AM EDT   SUNSET   6:24 PM EDT     


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




$$