746  
CDUS41 KLWX 212300  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
600 PM EST THU NOV 21 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 21 2024  
 
VALID TODAY AS OF 0500 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 51 11:26 AM 76 2007 54 -3 58  
MINIMUM 36 7:07 AM 16 1969 34 2 30  
AVERAGE 44 44 0 44  
 
PRECIPITATION (IN)  
TODAY T 2.15 2023 0.10 -0.10 2.15  
MONTH TO DATE 1.35 2.19 -0.84 2.49  
SINCE SEP 1 4.75 9.78 -5.03 9.81  
SINCE JAN 1 30.53 39.00 -8.47 29.03  
 
SNOWFALL (IN)  
TODAY 0.0 0.2 1987 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 T  
SINCE JUL 1 0.0 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 21 0 21  
MONTH TO DATE 237 369 -132 345  
SINCE SEP 1 473 698 -225 551  
SINCE JUL 1 475 699 -224 551  
 
COOLING  
TODAY 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 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 12:00 AM  
LOWEST 50 12:00 PM  
AVERAGE 63  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 75 2007  
MINIMUM TEMPERATURE (F) 34 14 1964  
2014  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2024......SUNRISE 7:00 AM EST SUNSET 4:52 PM EST  
NOVEMBER 22 2024......SUNRISE 7:01 AM EST SUNSET 4:51 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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