247  
CDUS41 KLWX 252124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT THU APR 25 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 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 62 1:41 PM 93 1960 70 -8 60  
MINIMUM 49 7:22 AM 29 1969 46 3 40  
AVERAGE 56 58 -2 50  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 1973 0.13 -0.13 0.00  
MONTH TO DATE 1.45 2.83 -1.38 0.81  
SINCE MAR 1 5.34 6.33 -0.99 2.38  
SINCE JAN 1 12.79 11.88 0.91 6.01  
 
SNOWFALL (IN)  
TODAY 0.0 T 2015 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 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 9 8 1 15  
MONTH TO DATE 193 286 -93 174  
SINCE MAR 1 657 933 -276 744  
SINCE JUL 1 3621 4443 -822 3708  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 20 14 6 44  
SINCE MAR 1 20 16 4 45  
SINCE JAN 1 23 16 7 45    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 7:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 57  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1990  
2009  
MINIMUM TEMPERATURE (F) 47 31 1967  
 
SUNRISE AND SUNSET  
APRIL 25 2024.........SUNRISE 6:19 AM EDT SUNSET 7:57 PM EDT  
APRIL 26 2024.........SUNRISE 6:17 AM EDT SUNSET 7:58 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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