246  
CDUS41 KLWX 290525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT FRI MAR 29 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 28 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 55 3:45 PM 86 1989 59 -4 59  
MINIMUM 44 11:53 PM 18 2001 37 7 39  
AVERAGE 50 48 2 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.40 1984 0.12 -0.06 0.00  
MONTH TO DATE 3.88 3.15 0.73 1.57  
SINCE MAR 1 3.88 3.15 0.73 1.57  
SINCE JAN 1 11.33 8.70 2.63 5.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1996 0.1 -0.1 0.0  
MONTH TO DATE T 3.8 -3.8 T  
SINCE MAR 1 T 3.8 -3.8 T  
SINCE JUL 1 11.7 20.8 -9.1 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 17 -2 16  
MONTH TO DATE 421 599 -178 519  
SINCE MAR 1 421 599 -178 519  
SINCE JUL 1 3385 4109 -724 3483  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 3 0 3 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 36 8:00 PM  
AVERAGE 65  
   
......................................................
 
 
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 2024.........SUNRISE 6:58 AM EDT SUNSET 7:31 PM EDT  
MARCH 30 2024.........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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