451  
CDUS41 KLWX 290524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT SAT MAR 29 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 28 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 3:24 PM 86 1989 59 13 55  
MINIMUM 38 1:23 AM 18 2001 37 1 44  
AVERAGE 55 48 7 50  
 
PRECIPITATION (IN)  
YESTERDAY T 1.40 1984 0.12 -0.12 0.06  
MONTH TO DATE 0.79 3.15 -2.36 3.88  
SINCE MAR 1 0.79 3.15 -2.36 3.88  
SINCE JAN 1 5.21 8.70 -3.49 11.33  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1996 0.1 -0.1 0.0  
MONTH TO DATE 0.0 3.8 -3.8 T  
SINCE MAR 1 0.0 3.8 -3.8 T  
SINCE JUL 1 15.5 20.8 -5.3 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 17 -7 15  
MONTH TO DATE 450 599 -149 421  
SINCE MAR 1 450 599 -149 421  
SINCE JUL 1 3772 4109 -337 3385  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 11:00 PM  
LOWEST 30 12:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 86 1998  
MINIMUM TEMPERATURE (F) 37 20 1982  
 
SUNRISE AND SUNSET  
MARCH 29 2025.........SUNRISE 6:59 AM EDT SUNSET 7:31 PM EDT  
MARCH 30 2025.........SUNRISE 6:57 AM EDT SUNSET 7:32 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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