436  
CDUS41 KLWX 292146  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
546 PM EDT WED MAY 29 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 29 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 78 10:53 AM 97 1969 78 0 78  
MINIMUM 55 5:09 AM 40 1997 57 -2 62  
AVERAGE 67 67 0 70  
 
PRECIPITATION (IN)  
TODAY 0.11 1.00 1984 0.16 -0.05 0.38  
MONTH TO DATE 4.22 4.42 -0.20 1.42  
SINCE MAR 1 9.85 11.39 -1.54 6.29  
SINCE JAN 1 17.30 16.94 0.36 9.92  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 4.0 -4.0 T  
SINCE JUL 1 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 47 112 -65 109  
SINCE MAR 1 726 1079 -353 892  
SINCE JUL 1 3690 4589 -899 3856  
 
COOLING  
TODAY 2 4 -2 5  
MONTH TO DATE 135 75 60 25  
SINCE MAR 1 179 97 82 70  
SINCE JAN 1 182 97 85 70    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 45 11:00 AM  
AVERAGE 68  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1987  
1991  
2006  
MINIMUM TEMPERATURE (F) 57 38 1996  
 
SUNRISE AND SUNSET  
MAY 29 2024...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT  
MAY 30 2024...........SUNRISE 5:47 AM EDT SUNSET 8:28 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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