AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
127 AM EDT MON OCT 12 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 11 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         72  12:30 PM  86    2010  70      2       75        
  MINIMUM         64   6:43 AM  28    1972  45     19       47        
  AVERAGE         68                        58     10       61     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.69          3.38 2013   0.11   0.58     0.00     
  MONTH TO DATE    0.84                      1.17  -0.33     0.10     
  SINCE SEP 1      3.12                      5.09  -1.97     0.51     
  SINCE JAN 1     37.34                     33.09   4.25    30.35     

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                         8     -8        4        
  MONTH TO DATE   66                        74     -8       19        
  SINCE SEP 1    127                       130     -3       24        
  SINCE JUL 1    127                       132     -5       24        

 COOLING                                                              
  YESTERDAY        3                         1      2        0        
  MONTH TO DATE    4                        13     -9       48        
  SINCE SEP 1    139                       154    -15      286        
  SINCE JAN 1   1391                      1170    221     1521        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)        
  AVERAGE WIND SPEED     4.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           4:00 PM                                      
 LOWEST     76          12:00 PM                                      
 AVERAGE    87                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        83      1995                      
                                             2010                     
 MINIMUM TEMPERATURE (F)   45        25      1964                      


SUNRISE AND SUNSET                                                    
OCTOBER 12 2020.......SUNRISE   7:17 AM EDT   SUNSET   6:35 PM EDT     
OCTOBER 13 2020.......SUNRISE   7:18 AM EDT   SUNSET   6:33 PM EDT     


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




$$