396  
CDUS41 KLWX 170531  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1231 AM EST SUN NOV 17 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 16 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 61 2:16 PM 74 2001 56 5 72  
2005  
MINIMUM 45 11:59 PM 14 1967 35 10 32  
AVERAGE 53 46 7 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.75 1989 0.10 -0.10 0.00  
MONTH TO DATE 0.57 1.69 -1.12 0.26  
SINCE SEP 1 3.97 9.28 -5.31 7.58  
SINCE JAN 1 29.75 38.50 -8.75 26.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1980 0.0 0.0 0.0  
1995  
2014  
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 12 19 -7 13  
MONTH TO DATE 166 268 -102 255  
SINCE SEP 1 402 597 -195 461  
SINCE JUL 1 404 598 -194 461  
 
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 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 1:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 75 1963  
MINIMUM TEMPERATURE (F) 35 17 1976  
 
SUNRISE AND SUNSET  
NOVEMBER 17 2024......SUNRISE 6:55 AM EST SUNSET 4:54 PM EST  
NOVEMBER 18 2024......SUNRISE 6:56 AM EST SUNSET 4:53 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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