500  
CDUS41 KLWX 220526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST FRI NOV 22 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 21 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 51 11:26 AM 76 2007 54 -3 58  
MINIMUM 36 11:59 PM 16 1969 34 2 30  
AVERAGE 44 44 0 44  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY T 0.2 1987 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 0.0  
SINCE SEP 1 T 0.1 -0.1 T  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
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 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 6:00 PM  
LOWEST 50 12:00 PM  
AVERAGE 65  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 75 2007  
MINIMUM TEMPERATURE (F) 34 14 1964  
2014  
 
SUNRISE AND SUNSET  
NOVEMBER 22 2024......SUNRISE 7:01 AM EST SUNSET 4:51 PM EST  
NOVEMBER 23 2024......SUNRISE 7:02 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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