AFOS product CLIIAD
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CDUS41 KLWX 190626
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
226 AM EDT THU JUN 19 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 18 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         88  12:31 PM  94    2006  84      4       92        
                                      2007                           
                                      2018                           
  MINIMUM         74   5:50 AM  45    1965  63     11       72        
  AVERAGE         81                        73      8       82     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.22          1.14 1991   0.13   0.09     0.00     
  MONTH TO DATE    5.40                      2.63   2.77     0.28     
  SINCE JUN 1      5.40                      2.63   2.77     0.28     
  SINCE JAN 1     19.32                     19.87  -0.55    17.58     

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     15.5                      21.0   -5.5     11.7      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE   15                        11      4        0        
  SINCE JUN 1     15                        11      4        0        
  SINCE JUL 1   4106                      4603   -497     3691        

 COOLING                                                              
  YESTERDAY       16                         8      8       17        
  MONTH TO DATE  135                       117     18      157        
  SINCE JUN 1    135                       117     18      157        
  SINCE JAN 1    253                       223     30      340        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     4.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           3:00 AM                                      
 LOWEST     70          11:00 AM                                      
 AVERAGE    85                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   84        98      1994                      
 MINIMUM TEMPERATURE (F)   63        45      1986                      


SUNRISE AND SUNSET                                                    
JUNE 19 2025..........SUNRISE   5:44 AM EDT   SUNSET   8:38 PM EDT     
JUNE 20 2025..........SUNRISE   5:44 AM EDT   SUNSET   8:39 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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