503  
CDUS41 KLWX 242127  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
527 PM EDT WED MAY 24 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 24 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 3:59 PM 90 1964 77 5 63  
MINIMUM 49 2:57 AM 36 1963 55 -6 56  
AVERAGE 66 66 0 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 1994 0.16 -0.16 0.42  
2005  
MONTH TO DATE 1.04 3.64 -2.60 6.06  
SINCE MAR 1 5.91 10.61 -4.70 10.23  
SINCE JAN 1 9.54 16.16 -6.62 16.43  
 
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 3.5  
SINCE JUL 1 0.4 21.0 -20.6 15.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 5  
MONTH TO DATE 96 102 -6 80  
SINCE MAR 1 879 1069 -190 946  
SINCE JUL 1 3833 4579 -746 4020  
 
COOLING  
TODAY 1 4 -3 0  
MONTH TO DATE 20 55 -35 76  
SINCE MAR 1 65 77 -12 90  
SINCE JAN 1 65 77 -12 90    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1991  
MINIMUM TEMPERATURE (F) 56 36 1967  
 
SUNRISE AND SUNSET  
MAY 24 2023...........SUNRISE 5:50 AM EDT SUNSET 8:23 PM EDT  
MAY 25 2023...........SUNRISE 5:50 AM EDT SUNSET 8:24 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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