AFOS product CLIIAD
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CDUS41 KLWX 290624
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
224 AM EDT SUN JUN 29 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 28 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         90   4:26 PM  97    1966  86      4       84        
  MINIMUM         70   5:31 AM  44    1970  65      5       67        
  AVERAGE         80                        76      4       76     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          1.06 1983   0.14  -0.13     0.00     
  MONTH TO DATE    6.93                      4.02   2.91     0.64     
  SINCE JUN 1      6.93                      4.02   2.91     0.64     
  SINCE JAN 1     20.85                     21.26  -0.41    17.94     

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       15                        11      4       11        
  MONTH TO DATE  288                       216     72      316        
  SINCE JUN 1    288                       216     72      316        
  SINCE JAN 1    406                       322     84      499        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     3.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           4:00 AM                                      
 LOWEST     59           4:00 PM                                      
 AVERAGE    80                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   87       102      2012                      
 MINIMUM TEMPERATURE (F)   65        47      1970                      


SUNRISE AND SUNSET                                                    
JUNE 29 2025..........SUNRISE   5:47 AM EDT   SUNSET   8:39 PM EDT     
JUNE 30 2025..........SUNRISE   5:48 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.




$$