419  
CDUS41 KLWX 092125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST SAT NOV 09 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 9 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 60 2:40 PM 81 2023 59 1 81  
MINIMUM 45 6:06 AM 19 1967 37 8 42  
1971  
1976  
AVERAGE 53 48 5 62  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 12 17 -5 3  
MONTH TO DATE 60 141 -81 121  
SINCE SEP 1 296 470 -174 327  
SINCE JUL 1 298 471 -173 327  
 
COOLING  
TODAY 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 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 2020  
MINIMUM TEMPERATURE (F) 37 21 2003  
 
SUNRISE AND SUNSET  
NOVEMBER 9 2024......SUNRISE 6:46 AM EST SUNSET 5:00 PM EST  
NOVEMBER 10 2024......SUNRISE 6:48 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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