828  
CDUS41 KLWX 300531  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1231 AM EST SAT NOV 30 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 29 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 44 12:18 PM 73 1998 51 -7 42  
MINIMUM 27 11:59 PM 17 1967 32 -5 19  
AVERAGE 36 42 -6 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.04 1963 0.10 -0.10 0.00  
MONTH TO DATE 1.85 3.02 -1.17 2.49  
SINCE SEP 1 5.25 10.61 -5.36 9.81  
SINCE JAN 1 31.03 39.83 -8.80 29.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 1995 0.1 -0.1 0.0  
MONTH TO DATE T 0.3 -0.3 0.0  
SINCE SEP 1 T 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 23 6 34  
MONTH TO DATE 394 546 -152 542  
SINCE SEP 1 630 875 -245 748  
SINCE JUL 1 632 876 -244 748  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 0 16 0  
SINCE SEP 1 172 174 -2 265  
SINCE JAN 1 1586 1230 356 1380    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 8:00 AM  
LOWEST 45 7:00 PM  
AVERAGE 60  
   
......................................................
 
 
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 2024......SUNRISE 7:09 AM EST SUNSET 4:48 PM EST  
DECEMBER 1 2024......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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