AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
134 AM EDT MON JUL 13 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 12 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         89  12:41 PM  97    1986  88      1       90        
  MINIMUM         64   5:25 AM  47    2002  66     -2       69        
  AVERAGE         77                        77      0       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          2.61 1990   0.11  -0.10     0.00     
  MONTH TO DATE    1.56                      1.42   0.14     1.54     
  SINCE JUN 1      6.77                      5.40   1.37     3.98     
  SINCE JAN 1     23.29                     22.22   1.07    23.86     

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 JUN 1      0.0                       0.0    0.0       T       
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1      5                        15    -10        9        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       12                        12      0       15        
  MONTH TO DATE  183                       139     44      161        
  SINCE JUN 1    456                       376     80      417        
  SINCE JAN 1    533                       468     65      596        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (210)       
  AVERAGE WIND SPEED     3.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           4:00 AM                                      
 LOWEST     42           1:00 PM                                      
 AVERAGE    63                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88        97      1966                      
                                             1986                     
 MINIMUM TEMPERATURE (F)   66        52      1978                      


SUNRISE AND SUNSET                                                    
JULY 13 2020..........SUNRISE   5:56 AM EDT   SUNSET   8:35 PM EDT     
JULY 14 2020..........SUNRISE   5:56 AM EDT   SUNSET   8:35 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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