391  
CDUS41 KLWX 020526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST MON DEC 02 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 1 2024
 
 
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)  
YESTERDAY  
MAXIMUM 43 1:23 PM 75 2006 51 -8 50  
MINIMUM 20 12:06 AM 4 1967 32 -12 33  
AVERAGE 32 41 -9 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.02 1974 0.11 -0.11 0.12  
MONTH TO DATE 0.00 0.11 -0.11 0.12  
SINCE DEC 1 0.00 0.11 -0.11 0.12  
SINCE JAN 1 31.03 40.05 -9.02 29.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1974 0.1 -0.1 0.0  
1981  
1992  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE DEC 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 T 0.4 -0.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 24 9 23  
MONTH TO DATE 33 24 9 23  
SINCE DEC 1 33 24 9 23  
SINCE JUL 1 701 924 -223 794  
 
COOLING  
YESTERDAY 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 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 75 1970  
MINIMUM TEMPERATURE (F) 32 0 1967  
 
SUNRISE AND SUNSET  
DECEMBER 2 2024......SUNRISE 7:11 AM EST SUNSET 4:48 PM EST  
DECEMBER 3 2024......SUNRISE 7:12 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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