830  
CDUS41 KLWX 200530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1230 AM EST WED NOV 20 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 19 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 3:59 PM 76 1985 55 5 60  
MINIMUM 45 6:52 AM 13 2014 35 10 29  
AVERAGE 53 45 8 45  
 
PRECIPITATION (IN)  
YESTERDAY T 1.93 2003 0.10 -0.10 0.00  
MONTH TO DATE 0.57 1.99 -1.42 0.34  
SINCE SEP 1 3.97 9.58 -5.61 7.66  
SINCE JAN 1 29.75 38.80 -9.05 26.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1969 0.0 0.0 0.0  
1984  
2016  
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  
YESTERDAY 12 20 -8 20  
MONTH TO DATE 207 328 -121 299  
SINCE SEP 1 443 657 -214 505  
SINCE JUL 1 445 658 -213 505  
 
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 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 49 11:00 AM  
AVERAGE 71  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 79 1985  
MINIMUM TEMPERATURE (F) 34 18 1980  
 
SUNRISE AND SUNSET  
NOVEMBER 20 2024......SUNRISE 6:59 AM EST SUNSET 4:52 PM EST  
NOVEMBER 21 2024......SUNRISE 7:00 AM EST SUNSET 4:52 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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