392  
CDUS41 KLWX 282123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT TUE MAY 28 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 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 82 3:03 PM 90 1991 78 4 74  
2012  
2019  
MINIMUM 65 4:20 AM 37 1994 57 8 53  
AVERAGE 74 67 7 64  
 
PRECIPITATION (IN)  
TODAY T 2.16 1982 0.16 -0.16 T  
MONTH TO DATE 4.01 4.26 -0.25 1.04  
SINCE MAR 1 9.64 11.23 -1.59 5.91  
SINCE JAN 1 17.09 16.78 0.31 9.54  
 
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 2 -2 1  
MONTH TO DATE 47 110 -63 109  
SINCE MAR 1 726 1077 -351 892  
SINCE JUL 1 3690 4587 -897 3856  
 
COOLING  
TODAY 9 4 5 0  
MONTH TO DATE 135 71 64 20  
SINCE MAR 1 179 93 86 65  
SINCE JAN 1 182 93 89 65    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 63  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1969  
MINIMUM TEMPERATURE (F) 57 40 1997  
 
SUNRISE AND SUNSET  
MAY 28 2024...........SUNRISE 5:48 AM EDT SUNSET 8:27 PM EDT  
MAY 29 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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