540  
CDUS41 KLWX 142132  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
532 PM EDT THU MAR 14 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 14 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 80 3:27 PM 88 1990 54 26 43  
MINIMUM 40 4:38 AM 15 1968 33 7 31  
1993  
AVERAGE 60 43 17 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.99 1999 0.12 -0.12 0.00  
MONTH TO DATE 2.44 1.51 0.93 0.73  
SINCE MAR 1 2.44 1.51 0.93 0.73  
SINCE JAN 1 9.89 7.06 2.83 4.36  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 2017 0.2 -0.2 0.0  
MONTH TO DATE T 2.4 -2.4 T  
SINCE MAR 1 T 2.4 -2.4 T  
SINCE JUL 1 11.7 19.4 -7.7 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 22 -17 28  
MONTH TO DATE 188 331 -143 298  
SINCE MAR 1 188 331 -143 298  
SINCE JUL 1 3152 3841 -689 3262  
 
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 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 84 2012  
MINIMUM TEMPERATURE (F) 33 -1 1993  
 
SUNRISE AND SUNSET  
MARCH 14 2024.........SUNRISE 7:22 AM EDT SUNSET 7:16 PM EDT  
MARCH 15 2024.........SUNRISE 7:20 AM EDT SUNSET 7:17 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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