174  
CDUS41 KLWX 202129  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT WED MAR 20 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 20 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 68 1:11 PM 80 2020 56 12 53  
MINIMUM 35 12:37 AM 18 1981 35 0 23  
AVERAGE 52 45 7 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.81 2003 0.12 -0.12 0.00  
MONTH TO DATE 2.45 2.23 0.22 0.74  
SINCE MAR 1 2.45 2.23 0.22 0.74  
SINCE JAN 1 9.90 7.78 2.12 4.37  
 
SNOWFALL (IN)  
TODAY 0.0 2.2 1990 0.1 -0.1 0.0  
MONTH TO DATE T 3.1 -3.1 T  
SINCE MAR 1 T 3.1 -3.1 T  
SINCE JUL 1 11.7 20.1 -8.4 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 13 20 -7 27  
MONTH TO DATE 259 454 -195 428  
SINCE MAR 1 259 454 -195 428  
SINCE JUL 1 3223 3964 -741 3392  
 
COOLING  
TODAY 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 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 12:00 AM  
LOWEST 15 12:00 PM  
AVERAGE 39  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 2010  
MINIMUM TEMPERATURE (F) 35 14 1965  
 
SUNRISE AND SUNSET  
MARCH 20 2024.........SUNRISE 7:12 AM EDT SUNSET 7:22 PM EDT  
MARCH 21 2024.........SUNRISE 7:11 AM EDT SUNSET 7:23 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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