AFOS product CLIIAD
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CDUS41 KLWX 180534
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
134 AM EDT THU AUG 18 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 17 2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         84   3:30 PM 101    1988  87     -3       86        
  MINIMUM         58   1:05 AM  44    1979  65     -7       70        
  AVERAGE         71                        76     -5       78     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.05          3.32 1997   0.11  -0.06     0.56     
  MONTH TO DATE    2.03                      1.95   0.08     2.76     
  SINCE JUN 1     10.01                     10.40  -0.39     8.84     
  SINCE JAN 1     27.23                     27.64  -0.41    22.42     

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      0.0      
  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      0                        13    -13        6        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY        6                        11     -5       13        
  MONTH TO DATE  224                       197     27      211        
  SINCE JUN 1    877                       813     64      925        
  SINCE JAN 1   1006                       919     87     1034        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED     5.2                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           6:00 AM                                      
 LOWEST     37           6:00 PM                                      
 AVERAGE    64                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   86        98      2009                      
 MINIMUM TEMPERATURE (F)   65        45      1981                      


SUNRISE AND SUNSET                                                    
AUGUST 18 2022........SUNRISE   6:26 AM EDT   SUNSET   8:00 PM EDT     
AUGUST 19 2022........SUNRISE   6:27 AM EDT   SUNSET   7:59 PM EDT     


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




$$