799  
CDUS41 KLWX 300731  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
231 AM EST SUN NOV 30 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 29 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 43 3:19 PM 73 1998 51 -8 44  
MINIMUM 24 6:36 AM 17 1967 32 -8 27  
AVERAGE 34 42 -8 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.04 1963 0.10 -0.10 0.00  
MONTH TO DATE 0.83 3.02 -2.19 1.85  
SINCE SEP 1 4.18 10.61 -6.43 5.25  
SINCE JAN 1 28.82 39.83 -11.01 31.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 1995 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 0.0 0.3 -0.3 T  
SINCE JUL 1 0.0 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 23 8 29  
MONTH TO DATE 506 546 -40 394  
SINCE SEP 1 764 875 -111 630  
SINCE JUL 1 766 876 -110 632  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 16  
SINCE SEP 1 182 174 8 172  
SINCE JAN 1 1330 1230 100 1586    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 6:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 72 1991  
MINIMUM TEMPERATURE (F) 32 11 1976  
 
SUNRISE AND SUNSET  
NOVEMBER 30 2025......SUNRISE 7:09 AM EST SUNSET 4:48 PM EST  
DECEMBER 1 2025......SUNRISE 7:10 AM EST SUNSET 4:48 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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