854  
CDUS41 KLWX 312126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT SUN MAR 31 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 31 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 1:55 PM 85 1998 61 6 64  
MINIMUM 42 3:59 AM 17 1964 38 4 35  
AVERAGE 55 49 6 50  
 
PRECIPITATION (IN)  
TODAY T 1.55 2017 0.12 -0.12 T  
MONTH TO DATE 3.89 3.50 0.39 1.57  
SINCE MAR 1 3.89 3.50 0.39 1.57  
SINCE JAN 1 11.34 9.05 2.29 5.20  
 
SNOWFALL (IN)  
TODAY 0.0 1.7 1964 0.0 0.0 0.0  
MONTH TO DATE T 3.9 -3.9 T  
SINCE MAR 1 T 3.9 -3.9 T  
SINCE JUL 1 11.7 20.9 -9.2 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 10 16 -6 15  
MONTH TO DATE 464 647 -183 570  
SINCE MAR 1 464 647 -183 570  
SINCE JUL 1 3428 4157 -729 3534  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 2 -2 1  
SINCE MAR 1 0 2 -2 1  
SINCE JAN 1 3 2 1 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 48 1:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 85 1978  
MINIMUM TEMPERATURE (F) 38 17 1969  
 
SUNRISE AND SUNSET  
MARCH 31 2024.........SUNRISE 6:55 AM EDT SUNSET 7:33 PM EDT  
APRIL 1 2024.........SUNRISE 6:54 AM EDT SUNSET 7:34 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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