814  
CDUS41 KLWX 110528  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT MON MAR 11 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 10 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 48 2:06 PM 80 2016 52 -4 46  
MINIMUM 38 11:59 PM 7 1996 32 6 34  
AVERAGE 43 42 1 40  
 
PRECIPITATION (IN)  
YESTERDAY T 1.41 2011 0.11 -0.11 0.07  
MONTH TO DATE 2.44 1.06 1.38 0.64  
SINCE MAR 1 2.44 1.06 1.38 0.64  
SINCE JAN 1 9.89 6.61 3.28 4.27  
 
SNOWFALL (IN)  
YESTERDAY T 1.4 1993 0.2 -0.2 T  
MONTH TO DATE T 1.8 -1.8 T  
SINCE MAR 1 T 1.8 -1.8 T  
SINCE JUL 1 11.7 18.8 -7.1 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 23 -1 25  
MONTH TO DATE 146 242 -96 195  
SINCE MAR 1 146 242 -96 195  
SINCE JUL 1 3110 3752 -642 3159  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 3 0 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 20.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 12:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 79 2021  
MINIMUM TEMPERATURE (F) 32 13 1996  
 
SUNRISE AND SUNSET  
MARCH 11 2024.........SUNRISE 7:26 AM EDT SUNSET 7:13 PM EDT  
MARCH 12 2024.........SUNRISE 7:25 AM EDT SUNSET 7:14 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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