987  
CDUS41 KLWX 280526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST THU NOV 28 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 27 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 54 3:28 PM 70 2011 52 2 49  
MINIMUM 31 7:20 AM 11 1974 33 -2 28  
AVERAGE 43 42 1 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.59 1993 0.11 -0.10 0.00  
MONTH TO DATE 1.57 2.82 -1.25 2.49  
SINCE SEP 1 4.97 10.41 -5.44 9.81  
SINCE JAN 1 30.75 39.63 -8.88 29.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.9 1978 0.0 0.0 0.0  
MONTH TO DATE T 0.2 -0.2 0.0  
SINCE SEP 1 T 0.2 -0.2 T  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 23 -1 26  
MONTH TO DATE 347 500 -153 477  
SINCE SEP 1 583 829 -246 683  
SINCE JUL 1 585 830 -245 683  
 
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 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 7:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 58  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 71 1990  
1998  
MINIMUM TEMPERATURE (F) 33 19 1996  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2024......SUNRISE 7:07 AM EST SUNSET 4:49 PM EST  
NOVEMBER 29 2024......SUNRISE 7:08 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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