106  
CDUS41 KLWX 032129  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT FRI MAY 03 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 3 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 2:31 PM 92 1965 72 6 56  
MINIMUM 62 2:17 AM 32 1963 49 13 45  
2005  
AVERAGE 70 61 9 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.03 1984 0.14 -0.14 T  
MONTH TO DATE 0.00 0.42 -0.42 0.04  
SINCE MAR 1 5.63 7.39 -1.76 4.91  
SINCE JAN 1 13.08 12.94 0.14 8.54  
 
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 6 -6 14  
MONTH TO DATE 0 18 -18 39  
SINCE MAR 1 679 985 -306 822  
SINCE JUL 1 3643 4495 -852 3786  
 
COOLING  
TODAY 5 1 4 0  
MONTH TO DATE 20 3 17 0  
SINCE MAR 1 64 25 39 45  
SINCE JAN 1 67 25 42 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 2:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2001  
2018  
MINIMUM TEMPERATURE (F) 49 31 1967  
 
SUNRISE AND SUNSET  
MAY 3 2024...........SUNRISE 6:09 AM EDT SUNSET 8:05 PM EDT  
MAY 4 2024...........SUNRISE 6:08 AM EDT SUNSET 8:06 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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