790  
CDUS41 KLWX 100533  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1233 AM EST SUN NOV 10 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 9 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 60 2:40 PM 81 2023 59 1 81  
MINIMUM 36 11:46 PM 19 1967 37 -1 42  
1971  
1976  
AVERAGE 48 48 0 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.54 2015 0.11 -0.11 T  
MONTH TO DATE T 0.98 -0.98 T  
SINCE SEP 1 3.40 8.57 -5.17 7.32  
SINCE JAN 1 29.18 37.79 -8.61 26.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1971 0.0 0.0 0.0  
1991  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 17 0 3  
MONTH TO DATE 65 141 -76 121  
SINCE SEP 1 301 470 -169 327  
SINCE JUL 1 303 471 -168 327  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 15 0 15 0  
SINCE SEP 1 171 174 -3 265  
SINCE JAN 1 1585 1230 355 1380    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 6:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 2020  
MINIMUM TEMPERATURE (F) 37 21 2003  
 
SUNRISE AND SUNSET  
NOVEMBER 10 2024......SUNRISE 6:48 AM EST SUNSET 4:59 PM EST  
NOVEMBER 11 2024......SUNRISE 6:49 AM EST SUNSET 4:59 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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