983  
CDUS41 KLWX 262124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST THU DEC 26 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 26 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 41 2:59 PM 71 1964 44 -3 50  
MINIMUM 27 4:04 AM -1 1983 27 0 42  
AVERAGE 34 36 -2 46  
 
PRECIPITATION (IN)  
TODAY 0.00 1.41 2012 0.09 -0.09 0.27  
MONTH TO DATE 2.36 2.83 -0.47 5.03  
SINCE DEC 1 2.36 2.83 -0.47 5.03  
SINCE JAN 1 33.39 42.77 -9.38 34.06  
 
SNOWFALL (IN)  
TODAY 0.0 6.1 1969 0.1 -0.1 0.0  
MONTH TO DATE 0.1 2.2 -2.1 0.5  
SINCE DEC 1 0.1 2.2 -2.1 0.5  
SINCE JUL 1 0.1 2.5 -2.4 0.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 29 2 19  
MONTH TO DATE 742 696 46 587  
SINCE DEC 1 742 696 46 587  
SINCE JUL 1 1410 1596 -186 1358  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1586 1231 355 1380    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 6:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 73 1971  
MINIMUM TEMPERATURE (F) 27 1 1989  
 
SUNRISE AND SUNSET  
DECEMBER 26 2024......SUNRISE 7:27 AM EST SUNSET 4:54 PM EST  
DECEMBER 27 2024......SUNRISE 7:28 AM EST SUNSET 4:55 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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