478  
CDUS41 KLWX 130525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST WED NOV 13 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 12 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 62 12:05 AM 74 1964 58 4 53  
MINIMUM 43 11:59 PM 22 1973 36 7 30  
1988  
AVERAGE 53 47 6 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.92 2004 0.10 -0.10 0.00  
MONTH TO DATE 0.21 1.29 -1.08 0.26  
SINCE SEP 1 3.61 8.88 -5.27 7.58  
SINCE JAN 1 29.39 38.10 -8.71 26.80  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.2 1968 0.0 0.0 0.0  
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 18 -6 23  
MONTH TO DATE 94 194 -100 182  
SINCE SEP 1 330 523 -193 388  
SINCE JUL 1 332 524 -192 388  
 
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 NW (320)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 2:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 75 1964  
MINIMUM TEMPERATURE (F) 36 19 2019  
 
SUNRISE AND SUNSET  
NOVEMBER 13 2024......SUNRISE 6:51 AM EST SUNSET 4:57 PM EST  
NOVEMBER 14 2024......SUNRISE 6:52 AM EST SUNSET 4:56 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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